All I Want For Christmas Is My Two Front Teeth by Don Gardner is in C at 120 beats per minute and runs 2:20 across 39 bars. It uses 23 chords — Am7, Ebdim7, Dm7, Fm, G7, C, Cmaj7, C#dim7, 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 I Want For Christmas Is My Two Front Teeth guitar melody tab.