Jagmo designed posters for which Nigerian multi-instrumentalist, musician, composer, pioneer of the Afrobeat music genre, human rights activist, and political maverick?
Nels Jacobson:  He has designed posters for live-music venues such as Liberty Lunch, Cain's Ballroom and The Fillmore, and for performers such as Stevie Ray Vaughan, the Ramones, Divine, Roky Erickson, Etta James, Dead Kennedys, the B-52's, Bonnie Raitt, Joe Ely, Los Lobos, the Pixies, Iggy Pop, Willie Nelson, Fela Kuti, Jimmie Dale Gilmore and Jerry Jeff Walker. Fela Kuti: Fela Anikulapo Kuti (15 October 1938 – 2 August 1997), also professionally known as Fela Kuti and simply Fela, was a Nigerian multi-instrumentalist, musician, composer, pioneer of the Afrobeat music genre, human rights activist, and political maverick.
Fela Kuti