Clapton, Eric
Originally recorded with Dylan at an unproductive sessions in London in May 1965. He subsequently worked in the studio with him in 1975 (for 'Desire'), 1976 (for 'No Reason To Cry') and 1986 (for 'Hearts Of Fire'), and guested at Dylan shows in 1978 and 1984.
Clinton Heylin:"Bob Dylan: Behind The Shades, a Biography"
RS:
No Reason To Cry brought together some heavyweights- Dylan and members of the Band- brought along their minor songs.