To learn A.R. Rahman, S.P. Balasubrahmanyam, K.S. Chithra - (Version, 1) Roja chords, your first step should be understanding these chords - B, E, A, E, A and B in sequence. Set your pace at 47 BPM initially and then sync up with the song's BPM of 95. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: E Major.