I Was Here by Beyonce is in G at 111 beats per minute and runs 1:45 across 54 bars. It uses 9 chords — N.C., Em, C, Dsus, D, Bm, Am7, G, 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? I Was Here guitar melody tab.