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In page Howard Greenfield:

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Their first recorded compositions took up both sides of the 1956 non-charting debut single by the Tokens, of which Sedaka (but not Greenfield) was briefly a member.[3] They then went on to supply the song "Passing Time" to the Cookies,[4] as well as other non-hit singles to doo-wop and groups the Clovers and the Cardinals.[5] At this point, though their songs were being recorded, the income derived from these songs was minimal, and Greenfield worked as a messenger for National Cash Register.[6]