A Moment Like This by Leona Lewis is in Bb at 80 beats per minute and runs 3:21 across 64 bars. It uses 25 chords — Dm7, Bbsus2, Gm7, C, Csus2, F, Eb, Bb, 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? A Moment Like This guitar melody tab.