POP DATE BOOK

Hootie & the Blowfish will play Irvine Meadows Amphitheatre on Sept. 15 and the Blockbuster Pavilion on Sept. 22. Tickets go on sale next Saturday. . . . Elvis Costello will be at the Troubadour on May 14. Tickets go on sale today. . . . James Taylor comes to the Universal Amphitheatre on Sept. 17-19 and the Blockbuster Pavilion on Sept. 21. Tickets will be available Sunday. . . . Three other Universal Amphitheatre shows also go on sale Sunday: Millie Jackson on June 15, the Monkees on June 20 and Patti LaBelle on June 22. . . . Tickets go on sale today for the Warped Tour, which brings Fishbone, Pennywise and others to the Olympic Velodrome on July 6. . . . Styx and Kansas play the Greek Theatre on Aug. 14, with tickets going on sale next Saturday.