He has worked with artists such as Céline Dion, Rebbie Jackson, Billie Piper, The Spice Girls, Aretha Franklin, Mary J. Blige, Donny Osmond, Bryan Adams, Lulu, S Club 7, Human Nature, Five, Gary Barlow, Delta Goodrem, The Wanted, Janet Devlin, Lovers Electric, and Brazilian group Rouge.
[citation needed] His first success as a producer was the hit single "Independence", the title song of the 1993 album by Lulu, which led to projects with Pauline Henry, Dannii Minogue, Kenny Thomas, and Take That.
[1][2] Kennedy has contributed songs to a number of film soundtracks, including Spice World, Stepmom, The Princess Diaries 2: Royal Engagement, Racing Stripes, and Bridge to Terabithia.
[citation needed] Kennedy and Adams were also nominated for a Grammy Award for Never Gonna Break My Faith recorded by Aretha Franklin and Mary J. Blige, for the film Bobby.
[4] In 2012, Kennedy was given an Honorary doctorate (DUniv) by Sheffield Hallam University for his contribution to the region's music industry, and for his outstanding work for charities, including his own One Song Foundation.