To learn Toby Fox - My Castle Town chords, your practice should emphasize these chord progressions: Gm, Cm, Ab, Bb, Cm, Fm, Bb, Cm and Bb. For a smooth transition, initiate your practice at 69 BPM and gradually match the song's pace of 138 BPM. To match your vocal range and chord inclination, adjust the capo in line with the key: C Minor.