Seacat Music - New CarolBrass quarter tone trumpet taking shape. | Facebook
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Carol Brass CTR-5000H4V-YLT(D)-Bb-SL 4 Valve QUARTER-TONE Trumpet | Reverb
MTP quarter-tone trumpet Mod. BV1 in B. Quarter-tone music at an affordable price. Buy
Quartertonemarimba.com
Quartertonemarimba.com
Tricky
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Double-bell quarter-tone trumpet - Amy Horvey
Double-bell quarter-tone trumpet - Amy Horvey
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