To learn Cocoon - Spark chords, grasp the musical fabric of the song with this sequence - Am, Em, D, G, B, Em, C, Em, B, C and B of chords. Start with a comfortable 41 BPM and as you become proficient, aim for the song's BPM of 82. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: E Minor.