Recently a friend (non-musician) showed me a video of a nice classical piece. And he told me its name. I recognized this piece in a heartbeat and told him, I know that one. It is one of the top 10 or maybe top 20 famous pieces of classical music.
After a while, I thought by myself, what if I was wrong and it is only top 100?
I think everyone in this forum can instantly name 5 pieces that belong to the best known 20 classical pieces. Not the best pieces, but the ones you think most people know.
Please spoiler your answer, so everyone can answer without being influenced.
(Don't ask google, just shoot from the hip, 5 pieces are enough)
Canon in D (this was the piece my friend showed me)
Für Elise
Moonlight Sonata
Rondo alla Turca
Ode to Joy
Spring (Four Seasons)