Rockaria by Electric Light Orchestra is in D at 100 beats per minute and runs 4:28 across 61 bars. It uses 9 chords — D, Bm, F#m, A7, G7, A, Em, Em7, 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? Rockaria guitar melody tab.