I have posted two midi files here. One with melody and backup and one with backup only so you can play along NUAGES 1* -1 -3 3* 3 -2* -2 2 -1* -1 -1 1* -1 -3 3* 3 -2* -2 2 -1* -1 -1 -3* -4 -4 -3 3 -2* -3 -3* -4 -4 -3 3 -2* 3 -2* 3 -4 3 2 -1 1* 1 1* 2 -2* 3 -3 -4 -5 1* -1 -3 3* 3 -2* -2 2 -1* -1 -1 1* -1 -5 5* 5 -4 -3* -3 3* 3 3 -2* 3 8 -7 -6* -7 8 -2* 3 8 -7 -6* -7 -6 1* -1 -3 3* 3 -2* -2 2 -1* -4 3