This fabulous five-disc set is divided up into a CD of arias from Italian and French operas (mainly sung in German); a CD of arias by Tchaikovsky, Smetana and German composers; a CD of arias and duets from works by Franz Lehar in German; a CD of pieces from operettas by Johann Strauss II, Kalman, Stolz and others, and a CD of popular songs and operetta extracts sung in English.