To learn Bts - Iron chords, anchor your practice on these foundational sequence of chords - Gm, Am, D#, A, Gm, C#, C#m, C# and A. Ease into the song by practicing at 51 BPM before reaching the track's full tempo of 103 BPM. With an eye on the song's key C# Major, set the capo that best suits your vocal range.
