I Should Have Cheated by Keyshia Cole is in Gm at 130 beats per minute and runs 5:05 across 110 bars. It uses 19 chords — Dm, Gm, Am, Gm9, Gm7, Bb, C, F, 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? I Should Have Cheated guitar melody tab.