Unfailing Love by Chris Tomlin is in Db at 69 beats per minute and runs 3:36 across 45 bars. It uses 7 chords — Ab, Dbmaj7, Db, Bbm7, Eb, Fm7, Ebsus. 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? Unfailing Love guitar melody tab.