What's a piece of classical music that everyone knows but most people don't know they know?
What's a piece of classical music that everyone knows but most people don't know they know?

Beethoven - Moonlight Sonata (FULL) - Piano Sonata No. 14Copyright Andrea RomanoThe Piano Sonata No. 14 in C♯ minor "Quasi una fantasia", op. 27, No. 2 has ...