To learn Radwimps - リユニオン chords, anchor your practice on these foundational sequence of chords - Bm, F#m, G, A, Bm and G. Kick off your practice at a gentle 42 BPM, then escalate to the song's tempo of 86 BPM. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: G Major.