The Isle Of Innisfree by Celtic Thunder is in G at 80 beats per minute and runs 2:49 across 53 bars. It uses 22 chords — Em, D, Cmaj9, Cmaj7, Em7, C, Gsus2, C6/9, 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 Isle Of Innisfree guitar melody tab.