American music impresario NORMAN J. SEAMAN has died after suffering a heart attack. He was 86.
Seaman managed John Lennon's widow Yoko Ono prior to her rise to fame as the former Beatles' wife and produced an estimated 3,000 concert performances in his career.
He died on 2 September (09) in Chicago, Illinois.
He began his production career in the 1950s, introducing rising artists at famed New York City venues including the Carnegie Recital Hall and the Carl Fischer Concert Hall.
In the 1960s, he founded the Concert/Theater Club, a ticket brokerage for music lovers which attracted audiences for struggling performers.
He also served as the New York manager for the Philadelphia Orchestra.
Seaman is survived by his wife of 57 years, Helen, a sister, three daughters, a son, two stepchildren, 12 grandchildren, 11 great-grandchildren and two great-great grandchildren.