Buffet Crampon, a leading French instrument manufacturer. The Rondo clarinet barrel, brought to you by Buffet Crampon. Since its release, it has been a hot topic worldwide, and the number of arrivals is still scarce, making it difficult to obtain. This barrel is shaped using Grenadilla, a standard clarinet material. The "RONDO" barrel is a new design from Buffet Crampon, created for clarinetists seeking projection, smoothness, and beautiful tone.