Pop Date Book

* Neil Diamond, right, will say hello again to his longtime fans when he plays the Great Western Forum on Dec. 21. Tickets go on sale July 30, but online fans can buy them starting Sunday at ticketmaster.com.... Radiohead and the Beta Band play the Hollywood Bowl on Aug. 20; tickets go on sale Saturday morning....On sale Saturday: the Offspring, Incubus, Pennywise and Weezer lead the bill for KROQ/Levi’s Inland Invasion festival on Aug. 25 at the Glen Helen Blockbuster Pavilion.... Afro Celt Sound System and Tina Kollars play the El Rey Theatre on Aug. 2; tickets are available Friday....Now on sale: Styx at the House of Blues on Aug. 15.... Also at the House of Blues, Cheap Trick on Sept. 5 and 6. Tickets go on sale today.... Singer-songwriter Pete Yorn and the band Ours perform at the El Rey Theatre on Sept. 5. Tickets go on sale Saturday morning.... Galactic performs Aug. 27 at the Sun Theatre. Tickets go on sale Monday morning.... A new date, Aug. 8, has been added for Better Than Ezra at the Roxy. Tickets on sale now.... Q Bert, Money Mark and P Trix perform at the El Rey on Aug. 29; tickets available Saturday morning.... Three shows at the Galaxy Theatre now on sale: Unified Theory on Aug. 2; Stabbing Westward on Aug. 8; Cubensis on Aug. 18.... Also now on sale: Jack Johnson and Ben Lee at the El Rey on Aug. 15. .... Now on sale at the Coach House: Portable on Aug. 4, Abyssinians on Aug. 30 and Tim Reynolds on Sept. 26.