Who Am I by Casting Crowns is in Eb at 134 beats per minute and runs 3:43 across 79 bars. It uses 12 chords — Bb5, Ebsus2, Gm7, Fsus, F, Bb, Eb, F5, 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? Who Am I guitar melody tab.