Complex sentence: Aside from the modest chart hit "Cherrystone" (1959), these were not successes, and further releases from Imperial Records and Warner Bros. Records fared no better, so the pair began working more as songwriters.
Split into simpler sentences: Aside from the modest chart hit "Cherrystone" (1959), these were not successes. Further releases from Imperial Records and Warner Bros. Records fared no better, so the pair began working more as songwriters.