No One Can Explain This Da Vinci Painting

The portrait before us was painted in 1483, and scholars continue to examine it more than five centuries later. Their attention is not drawn to it because it is the most intricate work Leonardo da Vinci ever produced, but because it contains a detail that has resisted a complete explanation for over 200 years. Look carefully at the man's right hand. Between his fingers is a sheet of paper bearing musical notation, along with a mysterious inscription whose full meaning art historians have never been able to decipher. The painting is known as Portrait of a Musician, or simply Il Musico in Italian. Leonardo da Vinci created it during the late 15th century, and today it belongs to the collection of the Pinacoteca Ambrosiana in Milan. Yet one part of its history is rarely discussed. For more than two centuries, no one realized that the man depicted in the portrait was connected to music. The painting first entered the historical record through a 1672 catalogue of the Pinacoteca Ambrosiana. At the time, it was described as a portrait of a Duke of Milan and attributed to Ambrogio Figgino. From the beginning of its documented history, then, the work was neither recognized as a nor understood as the portrait of a musician. During the 19th century, scholars began to suspect that the portrait might have been painted by Leonardo. The identity of the sitter, however, remained tied to the Milanese nobility. Catalogues from that period describe the man as Ludovico il Moro, Leonardo's patron during his years in Milan. For more than 200 years, this interpretation remained the accepted account of the painting. That changed in 1904, when the restorer, Luigi Cavanaghi, began cleaning the work. Beneath a layer of later overpaint, he uncovered something that altered the portrait's history entirely. A hand emerged from below the added paint, and within it was a sheet of musical notation. The image long believed to represent a duke could no longer be understood in the same way. It had become the unidentified portrait of a musician. The restoration also revealed that the musical score was incomplete. Only a small group of notes could be seen, accompanied by a fragmentary inscription reading CANT ANG. Those five letters have remained the subject of scholarly debate for more than a century, with no agreement on precisely what they were intended to mean. Art historian Luca Beltrami was the first to put forward a specific interpretation. He argued that the visible letters were an abbreviation of the Latin phrase CANTUM ANGELICUM, meaning Angelic Song. If so, the unfinished inscription could refer directly to one of the best-known works associated with Francino Gaffurio, a composer and chapel master at Milan Cathedral during this period. His musical treatise carried the title Angelicum Ac Divinum Opus. If Beltrami's interpretation is correct, the score may do more than identify the sitter as a musician. It may also point directly to his name. The person most logically connected to a reference of this kind would be the composer responsible for the work itself. Yet other scholars have read the inscription in a very different way. According to another interpretation, the letters do not abbreviate the title of a musical work, but instead refer to a person. The word fragment CANT may be a shortened form of CANTOR, meaning singer, while the letters ANG could mark the beginning of the name Angelo. This reading would connect the portrait to Angelo Testigrosa, a singer and vocal instructor who worked at the Milanese court during the same period. Under this theory, the inscription would not mean Angelic Song, but rather the singer Angelo. The same five letters therefore support two entirely different readings, and neither has been conclusively established. Yet the uncertainty surrounding the portrait extends beyond the words written on the page. The larger question remains, who is the musician holding it? As mentioned earlier, this small but decisive detail came to light in 1905. Since then, historians have proposed several possible identities for the sitter. The candidate most firmly established in academic tradition is Francino Gaffurio. Luca Beltrami first suggested his name in the early 20th century, and for many decades this remained the leading interpretation. Gaffurio and Leonardo knew each other personally. Both men worked under the patronage of Ludovico Sforza, and their professional circles clearly overlapped. In 1496, Gaffurio published a musical treatise titled Pratica Musica, which contained woodcut illustrations attributed to Leonardo himself. The connection between them was therefore not merely theoretical, it was real and supported by historical evidence. There is, however, one difficulty with this identification. Studies of the portrait suggest that the musician was approximately 25 to 30 years old when the image was painted. Gaffurio was born in 1451, meaning that he would already have been over 30 by the time Leonardo arrived in Milan. The difference is not enormous, but the estimated age of the sitter does not align comfortably with Gaffurio's. For this reason, another candidate has received increasing attention in recent decades, Atalante Migliorotti, a Tuscan musician and lutenist. He had known Leonardo since their younger years in Florence, and later accompanied him to the Milanese court, where he worked as a singer. The Pinacoteca Ambrosiana, where the portrait is preserved today, considers Migliorotti one of the most plausible candidates. His long-standing friendship with Leonardo strengthens this possibility, since a personal connection between artist and sitter could help explain why Leonardo chose to portray him. Yet while the man's identity and the meaning of the page in his hand remain two of the painting's central uncertainties, another detail makes its history even less straightforward. Technical examination of the portrait has shown that the stole worn by the musician, the strip of fabric crossing his chest, was originally painted yellow. Today, the stole appears in a muted sepia tone because additional layers of paint were applied at a later date. This confirms that the portrait no longer looks exactly as it did when it first left Leonardo's hands. At some unknown point during the past five centuries, another person intervened and altered parts of the image. These changes are one reason the painting's attribution continues to be debated. Most specialists agree that the musician's face was painted by Leonardo himself. Other elements, however, including the musical score, the hand holding it, the red hat, and portions of the hair, have raised more uncertainty. Some scholars believe these areas may have been completed by artists working in Leonardo's workshop. This leaves the portrait with an unusual contradiction. The object that determines how we understand the entire image, the sheet of music that identifies the sitter as a musician, may not have been painted by Leonardo at all. In the end, the central uncertainties remain unresolved. We do not know with certainty who the man in the portrait was, and we still cannot determine the full meaning of the inscription written across the score. More fundamentally, we cannot even be certain that Leonardo was the person who painted the score itself. Yet these uncertainties are not separate from one another. The identity of the sitter, the meaning of the inscription, and the question of authorship all depend on the same small area of the painting. If the hand and score were added or completed by someone in Leonardo's workshop, then the clues historians have used to identify the musician may not have come directly from Leonardo at all. This possibility also changes how the portrait can be read. The face is rendered with careful attention to the sitter's expression, while other parts of the image appear less resolved. His gaze moves beyond the edge of the painting, as though his attention has been drawn towards something outside the frame. The score, by contrast, directs our attention back to his profession, and has shaped nearly every attempt to determine his name. For centuries, that crucial object remained hidden beneath later paint. Once uncovered, it transformed an unknown nobleman into a musician, and opened an entirely new history for the portrait. Yet the discovery did not provide a final answer. It replaced one identity with several possibilities, each supported by evidence, but none strong enough to settle the question. The portrait's unfinished appearance may also help explain why so many questions remain. Unlike the carefully modelled face, several surrounding areas seem less complete. The clothing is rendered more broadly, parts of the hair lack the same precision, and the dark background provides almost no information about the sitter's surroundings. Leonardo gives us a recognisable individual, yet removes nearly every detail that might securely place him within a particular setting or social role. What remains is the musician's expression. His head is slightly turned, his lips are closed, and his eyes appear fixed on something beyond the viewer's sight. There is no instrument, no elaborate interior, and no clear symbol of rank. Apart from the sheet in his hand, the portrait offers few direct clues about his profession or identity. This restraint is part of what has allowed several interpretations to survive. Ghiffurio fits the intellectual and musical world surrounding Leonardo in Milan, while Migliarotti fits the estimated age of the sitter, and had a personal connection to the artist. Angelo Testagrossa, meanwhile, remains linked to one possible reading of the inscription. Each candidate explains certain details, but none accounts for all of them. The surviving musical notation has not provided a clear solution either. Because only a small portion of the page is visible, there is too little material to reconstruct the composition with certainty. The notes suggest that the sheet was meant to be read as music rather than treated as a decorative object, but the missing sections prevent scholars from identifying a complete work. The way the page is positioned creates another difficulty. Part of it disappears behind the musician's fingers, while the lower section extends beyond the edge of the painting. The inscription is similarly incomplete. Whether the missing letters once formed the title of a musical treatise, identified a singer, or referred to something else cannot be determined from the surviving fragment alone. For now, every interpretation depends on details that are only partially visible. A few letters support one theory, the sitter's estimated age supports another, and Leonardo's documented relationships provide several possible names. The evidence points in different directions, leaving the portrait suspended between what can be observed and what can only be reconstructed. Perhaps the clearest part of the portrait is also the one that tells us the least about the sitter's name. His face. Leonardo modelled it with subtle transitions between light and shadow, giving the skin a sense of depth without relying on sharp outlines. The musician appears physically present, yet his expression remains difficult to define. He does not address the viewer directly, nor does he seem fully absorbed by the score in his hand. His eyes are turned toward the right, as though someone has interrupted him while he was reading or performing. The slight movement of the head strengthens this impression. Rather than presenting a fixed ceremonial likeness, the portrait seems to preserve a brief moment between actions, with the sitter's attention directed toward something beyond the painted space. This may explain why the work feels different from many formal portraits produced at the Milanese court. Status is not communicated through elaborate clothing, architecture, or visible signs of wealth. Instead, the image depends almost entirely on the man's face and the fragment of music below it. One preserves his appearance with unusual care, while the other continues to obscure the very information that might identify him. The dark background makes this sense of isolation even stronger. Nothing behind the musician identifies a room, a court, or a specific place in Milan. There are no objects that connect him to a particular institution, and no inscription elsewhere in the portrait preserves his name. Almost everything historians know about him must therefore be drawn from his appearance, the surviving records surrounding Leonardo, and the partially visible sheet of music. Yet the painting itself has not remained unchanged. Later editions concealed the hand and score for centuries, while other alterations changed the original colour of the clothing. These interventions did more than affect the portrait's appearance. By hiding the musical page, they removed the only visible evidence of the sitter's profession, and allowed an entirely different identity to become accepted. For more than 200 years, viewers encountered a nobleman because that was what the altered image appeared to show. Only after the restoration did the portrait recover the detail that now defines it. But even then, the newly uncovered score did not restore a lost identity. It revealed how much of that identity had already disappeared. The history of the portrait therefore depends as much on what was removed as on what survived. The overpaint concealed the musician's hand, but it also changed the way later generations understood the figure before them. Without the score, there was little reason to question the belief that the sitter belonged to Milan's ruling class. Once the page reappeared, the old identification could no longer be sustained. Still, the restoration recovered only part of the original image. The visible notes remain incomplete, the inscription ends before its meaning becomes clear, and the altered colours make it difficult to know precisely how the portrait first appeared. Even careful technical study cannot restore information that may have been lost through damage, later intervention, or an unfinished painting process. This is why the smallest details carry so much weight. A few musical notes, five uncertain letters, and the estimated age of a face have become the foundation for every major theory surrounding the sitter. Each clue narrows the possibilities, yet each also contains enough uncertainty to prevent a final identification. The portrait continues to preserve the presence of a real individual while withholding the evidence needed to recover his name. There is also a broader reason why identifying this man has proven so difficult. Leonardo's years in Milan placed him among musicians, poets, engineers, court officials, and scholars, many of whom moved through the same cultural circle. Music held an important place at the Sforza court, and Leonardo himself studied sound, designed instruments, and was known for his ability as a performer. A portrait of a musician would therefore have emerged from a This context makes several proposed identities historically possible. Gaffurio belonged to Milan's musical establishment and shared professional connections with Leonardo. Migliorotti had known him since Florence and travelled with him to Milan. Testigrossa also worked within the court environment during the period associated with the portrait. None of these names was chosen without evidence, but the surviving evidence is too limited to distinguish one candidate with certainty. The absence of a reliable early record makes the problem even harder. By the time the painting appeared in the 1672 catalogue, nearly two centuries had passed since it was created. Whatever knowledge once connected the portrait to its sitter had already been lost, replaced by an attribution to Ambrogio Figino and the belief that the figure was a Duke of Milan. The search for musician's identity therefore begins not with a preserved name, but with an error that remained accepted for generations. That long gap in the painting's history leaves room for changes that were never recorded. We do not know when the hand and musical score were covered, who ordered the alteration, or why it was made. The intervention may have been intended to repair damaged areas, update the portrait's appearance, or support the belief that the sitter was a nobleman. Without surviving documents, the reason remains unknown. What is clear is that the alteration changed the meaning of the image. A musician holding a score became a courtly figure with no visible profession, making the later identification as Ludovico il Moro appear more convincing. The portrait's history was shaped not only by mistaken catalogue entries, but by the physical condition in which generations of viewers encountered it. When Cavanaughi removed the later paint, he did more than recover a hidden hand. He restored a connection between the sitter and the musical culture of Renaissance Milan. Yet because the page was fragmentary and the inscription incomplete, the discovery could not return the man's name. It revealed the direction in which historians needed to look, while leaving the most important evidence just beyond certainty. The portrait now occupies an unusual position within Leonardo's surviving body of work. It is generally regarded as his only known painted portrait of a man, yet even that description depends on an attribution that is not equally secure across every part of the image. The face carries the strongest evidence of Leonardo's hand, while the surrounding details remain open to questions of workshop participation and later alteration. This unevenness may reflect the way paintings were produced within Renaissance workshops. An artist could establish the central design and complete the most important areas, while assistants contributed to secondary passages. If that occurred here, the differences between the carefully modelled face and the less refined elements would not necessarily weaken Leonardo's connection to the portrait. They could instead preserve traces of several stages of work. The difficulty is that the disputed areas are not merely decorative. The hand and score contain nearly all the information used to identify the sitter. If those details were completed by another painter, historians must consider whether they followed Leonardo's original design, added information already associated with the subject, or introduced changes at a later stage. Until that sequence can be established, the portrait's most useful clue will remain inseparable from its greatest uncertainty. The question of when the portrait was painted creates further uncertainty. It is often dated to around 1483, close to the beginning of Leonardo's years in Milan, but the exact date has never been firmly established. Even a small shift in chronology could affect which proposed sitter best fits the evidence, since each candidate occupied a different position within Milan's musical world at different moments. Dating the work also influences how historians interpret its style. The careful treatment of the face reflects Leonardo's growing interest in showing the inner presence of a sitter rather than simply recording physical appearance. The musician is not presented through ceremony or rank. His identity seems to rest in a private moment of attention, captured before its original context disappeared. Yet chronology alone cannot resolve the portrait. A date may strengthen the case for one candidate while weakening another, but it cannot explain the incomplete inscription or determine who painted the score. The same pattern returns throughout the work. Every piece of evidence clarifies one part of the history, while leaving another uncertain. And as long as the sitter's name remains absent from the surviving record, the search must continue through the painting itself. The painting's physical structure may preserve further information, but technical evidence has limits of its own. Imaging methods can distinguish original paint from later editions, reveal changes beneath the visible surface, and help compare the materials used in different areas. These studies allow researchers to examine how the portrait developed, but they cannot always identify the individual responsible for every passage. Even when differences in execution are visible, their meaning is not necessarily clear. A less finished section may indicate the work of an assistant, but it could also reflect an early stage left incomplete by Leonardo himself. Later restoration may have altered the surface further, making distinctions between original work, workshop contribution, and subsequent intervention more difficult to separate. For this reason, the portrait cannot be understood through a single type of evidence. Historical documents provide names, but no firm identification. The inscription suggests possible meanings, but preserves too few letters. Technical analysis reveals alterations, but cannot fully reconstruct the order in which every element was painted. Each method contributes part of the picture, while the missing information remains concentrated in the same unresolved areas. What we do know is that, more than five centuries after it was painted, portrait of a musician still resists a complete explanation. The man's face survives with striking clarity, yet his name has disappeared. The score identifies him as a musician, but its notes remain incomplete. The inscription appears to offer an answer, yet the surviving letters can be read in more than one way. Even the question of who painted that crucial section of the portrait remains unresolved. Perhaps the letters refer to Francino Gaffurio and his Angelicum Ac Divinum Opus. Perhaps they identify Angelo Tester Grossa as a singer, or perhaps their original meaning belongs to a context that has been lost entirely. Atalante Migliorotti remains another plausible identity, supported by his age and personal connection to Leonardo. For now, no interpretation accounts for every detail without leaving important questions unanswered. I would like to know how you read the inscription. What do you think the letters CANT UNG were intended to mean, and which of the proposed musicians do you believe is the most convincing candidate? Share your interpretation in the comments. If you enjoyed exploring the history of this portrait, please leave a like, subscribe to the channel, and share the video with someone who may find this mystery worth examining. Thank you for watching until the end, and I will see you in the next video.