Bridge Over Troubled Water by Simon & Garfunkel is in Ab at 90 beats per minute and runs 3:36 across 34 bars. It uses 24 chords — Eb, Bb, Ab, Adim7, Eb6, Bbm6, C7, Abm6, 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? Bridge Over Troubled Water guitar melody tab.