"The Vivaldi of the bass clarinet."
--Bram van Sambeek, international bassoon soloist
"William fully engages the listener when he plays, with rhythmic precision and a singing tone, making even the most thorny and challenging music come alive and tell a vivid story."
--Vanessa Lann, composer
"William Hayter's performances are filled with technical brilliance and consistent musical imagination. A real joy for the listener!"
--Gary Whitman, Past President, International Clarinet Association
"William Hayter is an outstanding bass clarinetist with his own distinct, authoritative sound. I once heard him perform Karel Reiner's Bass Clarinet Concerto, and the solo entrance was shockingly good: lyrical power at its best. His impressive performance made a strong case for this work."
--René Uijlenhoet, composer
"William Hayter is a very talented and knowledgeable bass clarinetist. His in-depth approach to bass clarinet repertoire gives added value to his performances."
--Henri Bok, international bass clarinet soloist
"Playing with William is a pleasure! His vigorous sound and his knowledge about bass clarinet make this time together very inspiring."
--Thiago Tavares, bass clarinetist, Brazilian Symphony Orchestra
"It is always a pleasure to work with William; a sensitive, talented and dedicated musician with which I hope to have the chance to continue working in the future."
--Roberto Beltrán-Zavala, conductor
"William Hayter is an outstanding musician and a very good person to work with. I recommend him in every way."
--Willem Tanke, organist, pianist, composer, and improviser