Tug of War (Paul McCartney album) and lasted from 3 February to 2 March, ending with "Ebony and Ivory" and "What's That You're Doing", two songs featuring Stevie Wonder. 10cc guitarist Eric Stewart also became a frequent collaborator of McCartney's during this period. Further sessions that summer were undertaken at Martin's AIR studios at Oxford Street, London. The sessions were so productive that several of its tracks were held over for McCartney's next album, "Pipes of Peace", which followed in 1983. The rest of 1981 was spent in a quiet fashion, with McCartney and Martin touching up the album and perfecting it. In a contemporary review
Stevie Wonder the occasion of his 35th birthday, Stevie Wonder was honored by the United Nations Special Committee Against Apartheid for his stance against racism in South Africa that same year (1985). The album also featured a guest appearance by Dionne Warwick, singing the duet "It's You" with Stevie and a few songs of her own. Following the success of the album and its lead single,Wonder made an appearance on The Cosby Show,in the episode "A Touch of Wonder" where he demonstrated his ability to sample. The following year's "In Square Circle" featured the No. 1 pop hit "Part-Time Lover". The album