To learn Greeen - Relax chords, grasp the musical fabric of the song with this sequence - F#, C#m, B, C#m, F#, E and C#m of chords. Ease into the song by practicing at 67 BPM before reaching the track's full tempo of 134 BPM. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: C# Minor.