The Darktown Strutters’ Ball by Fred Astaire & Ginger Rogers is in C at 120 beats per minute and runs 0:48 across 19 bars. It uses 10 chords — C, F, F#dim, G7, A7, D7, Ebdim7, Dm7, 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? The Darktown Strutters’ Ball guitar melody tab.