[ Ссылка ] - Mark Zauss - Trumpet video comparing the large bore Schilke X4 and X3 trumpet.
Mark Zauss, DCC, DAPA, FAPA, NCC, CCMHC, BCPC, BCPTSDC, LMHC
Double Board Certified Licensed Clinical Psychotherapist & P.T.S.D. Clinician
Trumpet Artist for the Schilke Music Corporation (Trumpet)
Trumpet Artist for the Warburton Music Corporation (Mouthpiece)
www.markzauss.net

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