You Mean The Whole Wide World To Me by Christina Perri is in C at 134 beats per minute and runs 1:46 across 30 bars. It uses 7 chords — C, Am7, Dm, G, Gsus, F, N.C.. 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? You Mean The Whole Wide World To Me guitar melody tab.