Bob Mann (guitarist)

Bob Mann is an American guitarist. He has played session work with Gloria Gaynor, Bonnie Raitt, and James Taylor. He was a member of the band Mountain after their 1974 revival, and features on the album Twin Peaks. He was also a member of Dreams, with Randy Brecker, for the entirety of its existence, and features on both of its albums. He performed the vocals on the track Imagine My Surprise.

...
Wikipedia