Similar to the famous musical piece, only instead of playing the piano, you receive fellatio underneath it.
Guy: Hey, have you heard 'Moonlight Sonata' before?
Girl: You mean you want fellatio under the piano?
Guy: *Has sex with girl's face*.
Girl: You mean you want fellatio under the piano?
Guy: *Has sex with girl's face*.
by WackSauce March 19, 2009