To learn Japan - Swing chords, your practice should emphasize these chord progressions: Bm, G, E, Bm, F#m, Em, E, Bm and E. To master the tempo, it's wise to start at 67 BPM before aiming for the song's 134 BPM. Adjust the capo based on your vocal range and chord preference, keeping the song's key of B Minor in mind.