A Nightingale Sang In Berkeley Square by Manhattan Transfer is in Ab at 100 beats per minute and runs 4:00 across 58 bars. It uses 29 chords — Eb, Bb7, Ebdim7, Bb7sus, Fm7, Bb9, Bb, Bbdim, 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 Nightingale Sang In Berkeley Square guitar melody tab.