The Stonelined Trombone Cup Mute was invented by Willie Berg in 1935 and have wonderful rich, big open cup mute tones that sound great throughout the instrument register. It has a wonderful crisp sound with excellent intonation that is great for solo or section work. It is great for any style of playing from jazz to concert band.

Willis Music Company has been serving the local community since 1899 and the online community since 2010. With our rich history, we have always had a focus on music education. From our internationally known educational piano catalog to one of the top retail music chains in America the focus on education has always remained. As a family-run company, all of us at Willis are tremendously proud of the legacy that began with Charles H. Willis so many years ago and continues through the Cranley Family today and we are committed to continuing with the same dedication for years to come. Our mission is to be the epitome of forte in your musical life. We strive to focus on people, offer the highest value in quality products and services, reach potential through empowerment, tradition of integrity, and enrich lives by encouraging music participation. Thank you for your trust in Willis Music Company and we will always strive to be your trusted music company.