To learn Ikon - (나쁜놈) Jerk chords, anchor your practice on these foundational sequence of chords - Bb, F, Bb, Gm, F, Eb, F, Gm and Bb. Ease into the song by practicing at 43 BPM before reaching the track's full tempo of 87 BPM. To match your vocal range and chord inclination, adjust the capo in line with the key: Bb Major.