Pop Date Book

* Country music diva Shania Twain, left, will be at the Hollywood Bowl on May 6 and the Glen Helen Blockbuster Pavilion on May 8. Tickets for both shows go on sale Sunday. . . . R.E.M., in its first tour since the departure of drummer Bill Berry, will be at the Greek Theatre Aug. 9-10 and at the Irvine Meadows Amphitheatre Aug. 11. Tickets go on sale Sunday. . . . Tickets are on sale now for R. Kelly, Busta Rhymes, Foxy Brown, Deborah Cox, Nas and Kelly Price, June 6 at Irvine Meadows. . . . Beck has added a May 9 show at the Wiltern Theatre. Tickets go on sale Saturday. . . . Available today: Trans Am, May 3 at the Glass House. . . . On sale Saturday: Ensign, April 25 at the Roxy; Gomez, April 27 at the Troubadour; Man or Astroman?, May 1 at the Roxy; Afghan Whigs, May 8 at the Palace; Rocio Durcal, June 11 at the Universal Amphitheatre; and Charlie Zaa, July 17 at the Universal Amphitheatre. . . . Tickets are on sale now for these shows: Lorenzo Dominguez, Saturday at LunaPark; Henry Rollins, a spoken-word show, April 6, 13, 20 and 27 at LunaPark; Chuck E. Weiss, April 7 at the House of Blues; A.J. Croce, April 8 at the Roxy; Orgy, April 9 at the Galaxy Theatre; Honky Toast, April 16 at the Coach House; Ozomatli, May 2 at the Galaxy; and Eve 6, May 13 at the House of Blues.