Oscar Straus Piano Concerto

Oscar STRAUS
Piano Concerto in B minor (1893)
1. Moderato, ma non troppo lento - Allegro con brio [attacca]
2. Lento assai [attacca]
3. A tempo giusto
Frieda Valenzi, piano
Sinfonieorchester des ORF / Max Schönherr
ORF, studio production, no date available

I thought this recording importantenough to be presented again after it had been available on another channel but apparently has been erased (or am I mistaken?) when the new recording by Oliver Triendl appeared. I guess this is a well worth "alternative".