Sparks by Coldplay is in Gb at 72 beats per minute and runs 2:20 across 28 bars. It uses 10 chords — Bbm7, Bbm, Db9, Gbmaj7, Dbmaj7, Ebm7, Ebm, Db, 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? Sparks guitar melody tab.