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Mark Kjeldsen was a founder member of The Sinceros (1978–1981), and former member of the London R&B band, The Strutters. After the demise of The Sinceros, Kjeldsen performed with the Danny Adler Band (ex-Roogalator), a live album featuring Kjeldsen on rhythm guitar was recorded at the Winterthur - Switzerland on 10 August 1982 and released in 1983. In the late 1980s, Kjeldsen gave up music to become a social worker and died from AIDS in 1992.

References [link]

• Colin Larkin, The Guinness Encyclopedia of Popular Music - Page 3578, Guinness, 1995, ISBN 1-56159-176-9