All Alone On Christmas by Darlene Love is in D at 140 beats per minute and runs 3:00 across 61 bars. It uses 12 chords — N.C., D, Dmaj7, D6, Bm7, G, Gmaj7, Em, 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? All Alone On Christmas guitar melody tab.