J’étudie les Gammes & les grilles Bleus

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https://www.youtube.com/watch?v=mnElJo6Iuyw

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https://www.youtube.com/watch?v=zAKX2gsKTwk

https://www.youtube.com/watch?v=qMSU2S2rgb4

https://www.youtube.com/watch?v=dhG6HtdLKi8

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https://www.youtube.com/watch?v=kEzrLKajlNE

https://www.youtube.com/watch?v=EDznfELGRgM

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