To learn Andy Mccoy - Undertow chords, grasp the musical fabric of the song with this sequence - E, A, D, C, A#, D, Am, C, C#, F#m, Bm and E of chords. Adjust your pace with the tempo control on ChordU, starting slowly and speeding up progressively. With G Major as the song's key, tweak the capo to cater to your vocal pitch and chord likes.