Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Seventh Orchestral Concert – Vienna Philharmonic, Stanislav Skrowaczewski by Lutosławski, Chopin, Dvořák, Minn (1968/1968), Surmast Direttur Stanislav Skrowaczewski, Kleines Festspielhaus, Salzburg, Austria