04/20/2026
Your mouthpiece may be causing those missed notes. Christan discusses the importance of stability in mouthpiece design.
At GSI we produce mouthpieces and instrument parts. As a machine shop we work in stainless, nickel, brass, aluminum & plastics.
1436 Mound Road
Delavan, WI
53115
| Monday | 8:30am - 4:30pm |
| Tuesday | 8:30am - 4:30pm |
| Wednesday | 8:30am - 4:30pm |
| Thursday | 8:30am - 4:30pm |
| Friday | 8:30am - 4:30pm |
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