15
'Smile'
Charlie Chaplin
McKinley High's musically-talented social outcasts all seem to find themselves drawn to New Directions. Chaplin's classic tune -- originally sung by Nat King Cole in 1954 but performed as a lovely, harmonic cast number in the episode 'Mattress' -- can even cheer up the unpopular folks whose photos are bound to be doodled in the high school yearbook.
