I Have Nothing by Whitney Houston is in G at 78 beats per minute and runs 3:40 across 44 bars. It uses 36 chords — Gmaj7, Em7, Cmaj7, Am7, D, C, G, Gmaj9, 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 Have Nothing guitar melody tab.