YouTube Links
Free Brass Warmup Exercise Videos - Beginner Brass Playlist
Low Brass - Slow and easy warm-up - Slow and Easy
Low Brass - Mid-low Register Stability - Mid-Low Register
Lectures:
Examining Etudes (GPTREC 2022) - Examining Etudes
Rethinking How We Warm-up (SERTEC 2022) - Rethinking Warm-ups