Tickets for the following events go on sale this week:
• Billy Gardell, 8 p.m. June 26 at the Mahaffey Theater, St. Petersburg, $32.50-$62.50, on sale at noon Friday at the box office, 400 First St. S, or by calling (727) 893-7832, or online at TheMahaffey.com.
• Chaka Khan, 8 p.m. Nov. 13 at the Mahaffey Theater, St. Petersburg, $42.50-$75.50, on sale at noon Friday at the box office.
• Colbie Caillat, 8 p.m. Aug. 9 at Capitol Theatre, Clearwater, $56.25-$68.25, on sale at 10 a.m. Saturday at the Ruth Eckerd Hall box office, 1111 McMullen-Booth Road, or by calling (727) 791-7400.
• Incubus with the Deftones, 6:15 p.m. Aug. 13 at the MidFlorida Credit Union Amphitheatre, Tampa, $25-$99.50, on sale at 10 a.m. Friday at the box office, 4802 U.S. 301 N, and through Ticketmaster online at Ticketmaster.com, or by calling toll-free 1-800-745-3000.
• Umphrey's McGee, 6:30 p.m. Aug. 23 at Jannus Live, St. Petersburg, $26.50, on sale at 10 a.m. Friday through Ticketmaster.
• Hippiefest, 7 p.m. Aug. 15 at Ruth Eckerd Hall, Clearwater, $45.75-$79.75, on sale at noon Saturday at the box office.