Peter Schickele, an American composer whose career as a writer of serious concert music was often eclipsed by that of his antic alter ego, the thoroughly debauched, terrifyingly prolific and mercifully fictional P.D.Q. Bach, died on Tuesday at his home in Bearsville, a hamlet outside Woodstock, N.Y. His death was confirmed by his daughter, Karla Schickele, who said his health had declined after a series of infections last fall. Under his own name, Mr. Schickele (pronounced SHICK-uh-lee) composed more than 100 symphonic, choral, solo instrumental and chamber works, first heard on concert stages in the 1950s and later commissioned by some of the world’s leading orchestras, soloists and chamber ensembles. He also wrote film scores and musical numbers for Broadway.

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Persons: Peter Schickele, antic, Bach, Karla Schickele, Schickele, Joan Baez, Buffy Sainte, Marie Organizations: Broadway, New York Philharmonic, Cleveland Orchestra, Quartet, Minnesota Opera Locations: American, Bearsville, Woodstock, N.Y