Wavy Gravys Seva Foundation will celebrate its 30th anniversary Saturday, September 27, at Oakland, CAs Paramount Theatre. A number of longtime SEVA supporters will be on hand to perform, including David Crosby & Graham Nash, Jackson Browne, Bonnie Raitt and Los Lobos. As is tradition, Wavy Gravy will serve as the evenings Master of Ceremonies. A variety of seating options are available on SEVAs homepage.