I Am My Own Invention by Frank Wildhorn is in Eb at 100 beats per minute and runs 3:00 across 64 bars. It uses 24 chords — Bb, Em7, Ebmaj7, Db, Cm7, F7sus4, F, F7, 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? I Am My Own Invention guitar melody tab.