Dark Side by Kelly Clarkson is in D at 110 beats per minute and runs 3:32 across 60 bars. It uses 7 chords — D, G5, Gm6, Bm, Gm, G, Em. 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? Dark Side guitar melody tab.