Lullaby for a Princess by Ponyphonic is in Abm at 62 beats per minute and runs 8:27 across 95 bars. It uses 24 chords — Eb5, Abm7, Eb, Abm6, Gbsus4, Abm, Db, 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? Lullaby for a Princess guitar melody tab.