Chalumeau for Solo Clarinet in B-flat by William Bolcom. Marks Music, 2005, SS, 6 pages. This piece was written for Caroline Hartig. She has written that it "exploits the extreme registers and dynamics of the clarinet and makes use of of glissandi, portamenti, flutter tonguing, timbrel trills, and harmonic double stops." An advanced work with a duration of about 10:45. (C1454)