The Birthday Of A King by William H. Neidlinger is in Db at 100 beats per minute and runs 1:26 across 18 bars. It uses 16 chords — Ab, Eb, Db, Dbm, Eb7sus, Eb7, Dm7, Dbm6, 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? The Birthday Of A King guitar melody tab.