 These singles and the original "I'm in a Different World" were their last hits produced by Holland-Dozier-Holland, who left Motown in 1967 after disputes with Berry Gordy, Jr. over royalties and ownership of company shares.Without Holland-Dozier-Holland, the hits became less frequent.The group worked with a wide array of Motown producers during the late 1960s, including Ivy Jo Hunter, Nickolas Ashford & Valerie Simpson, Norman Whitfield and Johnny Bristol, without significant chart success.