Marcinkiewicz Co. Inc. - Instruments
The Double-Bell Quarter-Tone Trumpet (and more!) - Instrument Demo and Extended Techniques - YouTube
Bridging Arabic And Western Music With An Unusual Instrument : NPR
Microtones - The Modern Trumpet by Nathan Plante
Double-bell quarter-tone trumpet - Amy Horvey
CarolBrass CTR-9990H4V-RLM(D) Quarter-Tone Trumpet 4 valves
Quartertonemarimba.com
Quarter-Tone Trumpet Virtuoso Ibrahim Maalouf's Debut in LA—May 21
Jaeger Brass - Some major work this week on an Olds Ambassador - quarter tone valve addition and 1st slide saddle. | Facebook
Jaeger Brass - Finishing up a Quarter tone C trumpet just... | Facebook
CarolBrass CTR-5200H-YSS(D) Quarter-Tone Trumpet 4 valves
Quartertone - Van Laar Trumpets & Flugelhorns
This new quarter tone trumpet... - David Monette Trumpets | Facebook
Quarter tone - Wikipedia
Don Ellis: Trumpet (and Quarter-tone Trumpet) – Essential Trumpet Lessons
Triumph Series Trumpet– Victory Musical Instruments
Jaeger Quarter tone trumpet
OIRAM Quartertone – East Coast Trumpets
Data Cult Audio Session 0146 — Sarah Belle Reid
Quartertone - Van Laar Trumpets & Flugelhorns
24 Microtonal Studies | Stephen Altoft Trumpet
