Tongue Level
- Jeff Purtle
- Jan 20, 2026
Claude Gordon - Master Teacher (The Brass Herald)
Description: Philip Biggs' The Brass Herald magazine - October 2008...
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- Jeff Purtle
- Jan 20, 2026
Claude Gordon Practice Routines (The Brass Herald)
Description: Philip Biggs' The Brass Herald magazine - February 2009...
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- Jeff Purtle
- Jan 17, 2026
Claude Gordon and Herbert L. Clarke (The Brass Herald)
Description...
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- Jeff Purtle
- Dec 15, 2025
Claude Gordon and Jeff Purtle (The Brass Herald)
Claude Gordon and Jeff Purtle (The Brass Herald)...
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