Let's start jamming 天野月子 - 蝶 chords, familiarize yourself with these chords - Abm, B, Gb, E, B, Gb, Ab and E in sequence. Start with a comfortable 93 BPM and as you become proficient, aim for the song's BPM of 188. For a balanced pitch, adjust the capo with respect to your voice and the song's key: B Major.