To learn Bts - My Time chords, anchor your practice on these foundational sequence of chords - Bb, Gm, Cm, Ab, Bb, Cm, Bb and Cm. I suggest starting at a calm pace of 50 BPM, and as you gain confidence, approach the song's BPM of 100. With an eye on the song's key Bb Major, set the capo that best suits your vocal range.