The Closest Thing To Crazy by Katie Melua is in E at 64 beats per minute and runs 4:04 across 31 bars. It uses 18 chords — E, B, A6, A, C#m, G#m, B9, B7, 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? The Closest Thing To Crazy guitar melody tab.