To learn Treat - Tangled Up chords, your first step should be understanding these chords - Bm, G, E, A, Em, D, B, G, B and E in sequence. For a smooth transition, initiate your practice at 69 BPM and gradually match the song's pace of 139 BPM. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: D Major.