Delmarva Gospel Music Association Bluegrass Jamboree, Sat. 6/15, 1pm. 89 Huntington Quarter Rd., Houston, DE 19954. *Doyle Lawson*, *Flatland Drive*, *Locust Ridge.* Advance Tickets - Adult $30; DGMA Member, $25; ages 13-18, $15. For tickets, call Loretta 302-531-7997.