To start learning Lamp - 愛の言葉 chords, centre your learning around these elemetal chords sequence: D, A, C#m, D, C#m, F#, Bm and C#m. To master the tempo, it's wise to start at 65 BPM before aiming for the song's 131 BPM. Set the capo considering your vocal range and favored chords, aligned with the key: A Major.
