Paul McCartney Wings and decided he needed a change. The group disbanded in April 1981 after Laine quit following disagreements over royalties and salaries. In 1982, McCartney collaborated with Stevie Wonder on the Martin-produced number-one hit "Ebony and Ivory", included on McCartney's "Tug of War" LP, and with Michael Jackson on "The Girl Is Mine" from "Thriller". "Ebony and Ivory" was McCartney's record 28th single to hit number one on the "Billboard" 100. The following year, he and Jackson worked on "Say Say Say", McCartney's most recent US number one . McCartney earned his latest UK number one with the title track
Stevie Wonder biggest hits and highest level of fame; he had increased album sales, charity participation, high-profile collaborations, political impact, and television appearances. The 1979 mainly instrumental soundtrack album "Stevie Wonder's Journey Through "The Secret Life of Plants"" was composed using an early music sampler, a Computer Music Melodian. Wonder toured briefly in support of the album, and used a Fairlight CMI sampler on stage. In this year Wonder also wrote and produced the dance hit "Let's Get Serious", performed by Jermaine Jackson and (ranked by "Billboard" as the No. 1 R&B single of 1980). "Hotter than July" (1980) became Wonder's first