Alfred Schweitzman, longtime agent who specialized in representing recording artists, died of heart failure on Aug. 22 near his home in Accord, N.Y. He was 57.Schweitzman joined the Ashley-Steiner Agency at age 17 where he apprenticed in the TV, variety and cafe divisions. In 1968 he was sent to Chicago to open an office for Ashley Famous Artists and later worked in their Los Angeles office when it became known as ICM. During the late 1960s his client roster included Flip Wilson, Stevie Wonder, the Miracles and Melanie. He joined Camouflage Prods. in 1970 and ran Group III Management, one of their subsidiaries. He later relocated to Bearsville, New York, working for Albert Grossman, owner of Bearsville Records. His roster of clients included The Band, Paul Butterfield, Maria Muldaur, Foghat and Todd Rundgren. He left the entertainment business in the early 1980s to pursue various interests including the breeding and training of American Quarter Horses. He is survived by wife Susan Sommer, a son, a daughter and two grandchildren.