All I Ask Of You by Andrew Lloyd Webber is in Gb at 80 beats per minute and runs 2:32 across 48 bars. It uses 13 chords — Db, Dbmaj7, Gb6, Cb, Ab, Bbm7, Ebm7, Gb, 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? All I Ask Of You guitar melody tab.