Alone by Heart is in Gb at 88 beats per minute and runs 2:52 across 48 bars. It uses 11 chords — Bbm, Gb, Ab, F, Db, Ebm7, Absus4, Ab7, 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? Alone guitar melody tab.