Ah, Beethoven -- what would gridographers do without him? Those "smalls" that help support crosswords (VON, FUR, ODE) have classical applications: Ludwig VON Beethoven composed "FÜR Elise" and "ODE to Joy" (from the 9th Symphony). And if you need four vowels in a six-letter word (who doesn't?), his EROICA Symphony (No. 3) does the trick.
Off-grid, a reader asked about the music soundtrack to the awesome "speech" portion of The King's Speech. Remember those final scenes between Geoffrey Rush and Colin Firth? Unbelievable.
Dear Reader, here it is -- the 2nd Movement (Allegretto) of Beethoven's 7th Symphony in A Major.
I've never met a Leonard Bernstein video that I didn't like.