Impromptu (Pop Quiz)

A. Does an arrangement, for soupy soprano saxophone, of Lennon's "Happy Christmas (War Is Over)" qualify as jazz?

B. "WXXX may not play much of composer x, but ten times a week you can rely on them playing his piece(s) y₁ [y₂, y₃ . . . ]."
:: Solve for y with the following values for x:

1. Debussy
2. Ravel
3. Elgar
4. Sibelius
5. Copland

C. Bad Christmas music: Is there a bottom? Why or why not?