Little Lion Man by Mumford & Sons is in Bb at 138 beats per minute and runs 4:00 across 94 bars. It uses 12 chords — Dm, F, Csus4, Bbmaj7, Gm7, Gm, Bb6, C, 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? Little Lion Man guitar melody tab.