For clarinetists, the mouthpiece is a particularly essential factor, and it is immensely important not only to perfectly replicate different facings but also to continuously develop them further and adapt to changing conditions. For example, if the cut of a reed changes, the mouthpiece must be adjusted immediately.

This constant refinement happens effortlessly with Johannes Gleichweit because he himself is tirelessly searching for the best materials and attentively responds to the unique wishes of each musician. I have always appreciated his ambition and his approach of treating hobby musicians, students, and professional musicians with the same respect.“