Lichter Der Stadt by Unheilig is in Gb at 126 beats per minute and runs 4:08 across 81 bars. It uses 7 chords — Db, Ebsus4, Bbm7, Gb, Absus4, Ebm, Bbm. 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? Lichter Der Stadt guitar melody tab.