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
Higher Ground (Stevie Wonder song) Higher Ground (Stevie Wonder song) "Higher Ground" is a funk song written by Stevie Wonder which first appeared on his 1973 album "Innervisions". The song reached number 4 on the "Billboard" Hot 100 and number 1 on the US Hot R&B Singles chart. Wonder wrote and recorded the song in a three-hour burst of creativity in May 1973. The album version of the song contains an extra verse and runs 30 seconds longer than the single version. The unique wah-clavinet sound in the song was achieved with a Mu-Tron III envelope filter pedal. The bass line is provided by a