- weltklang mouthpiece underside with lig.
- weltklang mouthpiece logo
- weltklang mouthpiece
- upper-stack
- Upper Stack Keys
- upper stack keys
- upper stack keys
- upper stack keys
- upper stack keys
- upper stack
- upper portion right side with neck accessories
- upper portion rear view with neck attached
- Upper Portion Left Side
- upper portion front view with neck right side