Like an Avalanche by Hillsong United is in Gb at 84 beats per minute and runs 3:54 across 38 bars. It uses 4 chords — Bbm, Db, Ab, Gb. 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? Like an Avalanche guitar melody tab.