I’ll Drown In My Own Tears by Ray Charles is in Gb at 72 beats per minute and runs 3:10 across 38 bars. It uses 17 chords — Ab13, Db, Ab7#5, Db9, Gb, Gdim, F7, Bbm, 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’ll Drown In My Own Tears guitar melody tab.