To learn Judy & Mary - Sobakasu chords, your practice should emphasize these chord progressions: F#, E, A, D, A, D, C#m, D, E, G#, F#, A and F#m. Begin your practice at a relaxed 42 BPM, then work your way up to the song's BPM of 85. Considering the song's key of A Major, position your capo to suit your vocal and chord preferences.