A precious tonal document was discovered - a Belgian physician and music-lover found, completely by chance, this recording listed in a catalogue...65 years later you can listen to this recording on CD!.
Wolfgang Amadeus Mozart:
Konzert für Violine und Orchester Nr. 4 in D-Dur KV 218
Walter Barylli, Violine
Wiener Philharmoniker / Dirigent: Clemens Krauss
Recorded 23. April 1944, Großer Musikvereinssaal
Sinfonia concertante für Violine, Viola und Orchester in Es-Dur KV 364
Walter Barylli, Violine
Paul Doktor, Viola
Wiener Staatsopernorchester / Dirigent: Felix Prohaska
Recorded 1951
Released 2009.