A Couple Of Swells by Irving Berlin is in C at 140 beats per minute and runs 2:58 across 45 bars. It uses 28 chords — C6, Gdim7, G7sus, G7, F, Cmaj7, C#dim7, Dm9, and a few more. The chord diagram changes as the song plays and the words light up as they are sung, so you can strum and sing along without reading ahead.
Want the melody line note by note? A Couple Of Swells guitar melody tab.