Key G The song mainly consists of riffs in the Gm pentatonic scale. For riff, start at root note G and go straight to D and you will pick up the riff pretty easy. Or here are the chords to strum along to:
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Verse 1 G The sky was grey and the sea was green and you're eyes were a colour that had never been seen I got lost somewhere out in between Bb C G where I was and where you wanted me to be Chorus G Gonna get on my pony and ride Gonna get on my high horse and fly Gonna get on my pony and ride Gonna get on my high horse and fly Verse 2 G The stars come and the sun went down and the night got dark, it was all around I got lost somewhere, never to be found Bb C G Somewhere out on the wild and rolling sea (Chorus) SOLO - strum G Repeat Verse 1 and Chorus
Source: http://www.guitaretab.com/w/waifs/170102.html