Pop Date Book

* Britney Spears, right, will be at Irvine Meadows Amphitheatre on July 29 and at the Hollywood Bowl on July 31. Tickets for both shows go on sale Sunday. . . . Tickets go on sale Saturday for two Universal Amphitheatre shows: No Doubt on April 14 and Mary J. Blige on May 13. . . . The Ruff Ryders with Cash Money come to Irvine Meadows Amphitheatre on April 15, with tickets going on sale Sunday. . . . That is also the on-sale date for Tracy Chapman’s Wiltern Theatre concert on April 18. . . . Tickets will be available Friday for the bill of Lit and Save Ferris, April 7 at the Hollywood Palladium. . . . Flaming Lips play El Rey Theatre on March 30. Tickets go on sale Saturday. . . . A funk fest featuring Charlie Wilson, the S.O.S. Band, Con Funk Shun, the Dazz Band and the Bar-Kays takes place March 24 at Universal Amphitheatre. Tickets are available now. . . . Coming to the Troubadour: High on Fire and Acid King March 10, Cobra Verde March 22, David Gray March 23, Sebadoh March 24, Nashville Pussy March 25 and Kommunity FK March 26. . . . Tickets go on sale Sunday for two shows at the Sun Theatre: Dave Mason and Leon Russell on April 30 and James Brown on May 11. . . . The Roxy will feature the Hippos on March 18 and Third World on March 30, while the Glass House schedule includes GusGus on March 23 and Pedro the Lion on April 24.