Black Horse And The Cherry Tree by KT Tunstall is in Em at 100 beats per minute and runs 2:37 across 66 bars. It uses 6 chords — N.C., Em, B7, D, C, Csus2. 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? Black Horse And The Cherry Tree guitar melody tab.