WORKS WITH LOWER BRASS TOO..
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Roddy o-iii<O
"E M B O U C H U R E___E N H A N C E M E N T"
B O O K 1
B O O K 2 + demo play-along CD
[Self Analysis / Diagnostic Methods for Trumpet Advancement]
buy online..... www.R-o-d-d-y-T-r-u-m-p-e-t.cC