To start learning Millie Rieth - Marys Song chords, delve into these chords sequence to get the song's feel: B, E, C#m, A, B, E and A. A good strategy is to initiate at 79 BPM and then accelerate to the track's regular speed of 159 BPM. With A Major as the song's key, tweak the capo to cater to your vocal pitch and chord likes.