To learn Μs - だってだって噫無情 chords, begin by getting comfortable with these sequence: F#m, E, F#m, E, D, B, D, E, F#m and D. Begin your practice at a relaxed 84 BPM, then work your way up to the song's BPM of 168. Fine-tune the capo based on your vocal range, ensuring it complements the key of C# Minor.