I
recommend the FOCUS. (L. Vignali, 1° oboe in Rome, teacher)
I
like it. (V. Zucchiatti, 1° bassoon in
Milano, teacher)
Very
useful. (D. Formisano,1° flute in Milano)
A
brilliant idea. (M. Marzi, saxophone
solo in Milano)
Very interesting. (C. Dabbene, ex 1° bassoon in Basilea, teacher)
Very
good. (E. Caroli, soloist, teacher)
Really
useful. (A. Amenduni, ex 1° flute in Rome, teacher)
A
valid help. (P.Beltramini, soloist, teacher)
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Inventor,
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