It Came Upon The Midnight Clear by Steven Curtis Chapman is in Db at 130 beats per minute and runs 3:32 across 40 bars. It uses 16 chords — Abmaj7, Ab6, Fm, Ebsus, Eb, Gm7, C7, 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? It Came Upon The Midnight Clear guitar melody tab.