24 Clarinet Etudes from the World by Gregory M. Barrett. Billaudot, 2012, SS, 55 pages. Dr. Gregory Barrett is professor of clarinet and chamber music at Northern Illinois University. He used the melodies he collected from various sources (including folk and other ethnic music) as the basis for the 24 concert etudes he composed. These advanced studies are written in all 24 major and minor keys and feature a variety of styles. (C1935)