Angels We Have Heard On High by Glee Cast is in Gb at 90 beats per minute and runs 4:00 across 82 bars. It uses 29 chords — Db, Gb, Db7, Cb, Bb7, Ebm7, Ab7, 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? Angels We Have Heard On High guitar melody tab.