Billy Bragg, right, who was nominated for a Grammy this year for his "Mermaid Avenue" album, will be at the House of Blues on Aug. 30. . . . Also scheduled for the West Hollywood club are the Hothouse Flowers on Aug. 15. . . . Tickets go on sale today for two shows by the Jon Spencer Blues Explosion, July 26 at the El Rey Theatre and July 28 at the Glass House in Pomona. . . . The Glass House will also feature the Skeletones on July 30 and Reel Big Fish on July 31. Tickets also go on sale today. . . . Coming to the Coach House: Ozric Tentacles on July 28, Lonnie Brooks on July 29 and Cowboy Mouth on July 30. . . . The Galaxy Theatre has the Wailing Souls on July 29 and the Kentucky HeadHunters on Sept. 23. . . . Coming to the Conga Room: Strunz & Farah on Aug. 18 and Ricardo Lemvo & Makina Loca on Aug. 21. . . . John Entwistle comes to the Roxy on July 18, followed by Howard Jones on Aug. 20.