Zing! Went The Strings Of My Heart by James F. Hanley is in Ab at 100 beats per minute and runs 4:59 across 57 bars. It uses 26 chords — Fm7, Bb7, Eb, Ab6, F7, Bb13, Eb13, Ab, 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? Zing! Went The Strings Of My Heart guitar melody tab.