Walter Yetnikoff ex-Beatle's North American releases on CBS, which had a pressing plant, distribution network, and office, in McCartney's native England. Under Yetnikoff, in 1982, McCartney collaborated with Stevie Wonder on the number-one hit "Ebony and Ivory", included on McCartney's "Tug of War", and with Michael Jackson on "The Girl Is Mine" from "Thriller". The following year, McCartney and Jackson worked on "Say Say Say", McCartney's most recent US number one hit. Yetnikoff was also involved in Streisand's biggest selling album, "Guilty" with Barry Gibb from The Bee Gees. Yetnikoff features prominently in Frederic Dannen's landmark 1990 book "Hit Men: Power Brokers
Paul McCartney and Wings all-star collection of musicians in London in aid of UNICEF and Kampuchean refugees. Also during this tour, a live version of the "McCartney II" track "Coming Up" was recorded in Glasgow and became Wings' sixth US number one hit the following year. Paul McCartney and his family arrived in Japan on 16 January 1980 for the planned eleven-date Wings' concert tour of Japan (due to visit Budokan Hall, Tokyo from 21 to 24 January 1980; Aichi-Ken, Taiiku-Kan, Nagoya on 25–26; Festival Hall, Osaka on 28; Osaka Furitsu-Kan, Osaka on 29; Budokan Hall, Tokyo from 31 January to 2 February 1980).