Complex sentence: He later left KISS for a brief stay at 107.5 WBLS-FM, meanwhile Flex kept up his club appearances at many of Vito Bruno's operated nightclubs including The Tunnel, Home Bass and Mecca.
Split into simpler sentences: He later left KISS for a brief stay at 107.5 WBLS-FM. Flex continued his club appearances at many of Vito Bruno's operated nightclubs including The Tunnel, Home Bass and Mecca.