The Internet Movie Database (IMDb) lists only two items in the soundtrack of "Rhapsody":

"Concerto In D Major For Violin And Orchestra" by Peter Ilyitch Tschaikowsky, and
"Concerto #2 In C Minor For Piano And Orchestra" by Sergei Rachmaninoff

In the cast & crew credits, it also says:

Original Music by
Johnny Green
Non-Original Music by
Franz Liszt,
Sergei Rachmaninov,
Pyotr Ilyich Tchaikovsky,
Claude Debussy (from "La Que Plus Lente") (uncredited)