Reclusive chanteuse Sade, right, will tour for the first time in six years, with shows scheduled for July 20 at Verizon Wireless Amphitheater and July 23 at the Hollywood Bowl. Tickets go on sale Sunday . . . Tickets go on sale Saturday for two Aerosmith dates, Aug. 20 at Verizon and Aug. 24 at Glen Helen Blockbuster Pavilion. . . . Paul Simon and Brian Wilson share the Greek Theatre bill June 12 and 13. Tickets go on sale Sunday. . . . Sunday is also the on-sale date for a bill headed by Reba and Martina McBride on July 15 at Staples Center. . . . Tickets will be available Saturday for three nights of Widespread Panic, June 15 through 17 at the Wiltern Theatre. . . . Tickets go on sale Friday for Polo Polo June 16 at the Universal Amphitheatre. . . . Tickets will be available Friday for shows by Mogwai at the El Rey Theatre on June 10 and 11. . . . Queens of the Stone Age play the El Rey on May 23, with tickets going on sale Saturday. . . . Tickets go on sale Sunday for the Irish Tenors' "Ellis Island Concert" on June 9 at the Universal Amphitheatre and Raquel Bitton's June 23 date at the the Greek Theatre. . . . Spain will play its first L.A. show in two years June 9 at the Knitting Factory Hollywood. . . . Coming to the troubadour: Grade and the Movielife May 20 and Powderfinger June 4. . . . Tickets go on sale Saturday for three Roxy shows: Sonny Landreth June 15, Sweet and Tender Hooligans June 16 and Lloyd Cole and Jill Sobule June 23. . . . The Coach House schedule includes Mac McAnally on May 27 and Charlie Musselwhite with Clarence "Gatemouth" Brown on June 29, while the Galaxy Theatre features Michelle Shocked on June 27, D.R.I. on Aug. 31 and the Oak Ridge Boys on Nov. 15.