The Sweetheart Tree by Henry Mancini is in Bb at 105 beats per minute and runs 1:02 across 32 bars. It uses 16 chords — Fmaj13, Dm, Bbmaj13, Gm11, C9, C7, F, Am, 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 Sweetheart Tree guitar melody tab.