Unchain My Heart by Ray Charles is in Am at 154 beats per minute and runs 2:12 across 48 bars. It uses 7 chords — N.C., Am6, F7, Dm6, E7, Am, Dm7. 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? Unchain My Heart guitar melody tab.