The always-busy country group Rascal Flatts [ tickets ] recently added a new batch of summer shows to its itinerary.

Tickets hit the market Saturday (4/15) for the band's upcoming gigs in Pittsburgh, PA, the Chicago area, and Frisco, TX.

Tickets for many other upcoming Rascal Flatts shows are on sale now. [Click to search for Rascal Flatts tickets at Ticketmaster.com.]

A second Phoenix-area show was added to Madonna [ tickets ]'s "Confessions" tour thanks to strong ticket demand. Tickets go on sale Monday (4/17) for the June 10 show at Glendale Arena.

Tickets quickly sold out last week for most of Madonna's upcoming shows, but a few remain in some markets. [Click to search for Madonna tickets at Ticketmaster.com.]

Tickets are about to hit the market for some of Gretchen Wilson [ tickets ]'s upcoming spring gigs. On-sales get underway Saturday (4/15) for her performances in Bonner Springs, KS, and Columbia, MD.

[Click to search for Gretchen Wilson tickets at Ticketmaster.com.]

After successfully battling breast cancer, rocker Melissa Etheridge [ tickets ] is returning to North American stages this summer.

Tickets are set to go on sale Saturday (4/15) for Etheridge's planned performances in Grand Prairie, TX; Hyannis, MA; Atlanta; Denver and Phoenix.

On-sales are already underway for several of Etheridge's other upcoming shows. [Click to search for Melissa Etheridge tickets at Ticketmaster.com.]

Yellowcard [ tickets ] is playing a mix of college venues and theaters this spring, and tickets for the group's planned stops in Albuquerque, NM, and Norfolk, VA, are set to go on sale Saturday (4/15).

Tickets for many other upcoming Yellowcard shows are on sale now. [Click to search for Yellowcard tickets at Ticketmaster.com.]

Ticket on-sale information for many other artists--including INXS, Kid Rock, Fiona Apple, Train, Martina McBride and Disturbed--is available at LiveDaily's Ticket Report.

Unless otherwise noted, tickets are available from Ticketmaster and Ticketmaster Online, as well as the venue box office. On-sale dates and/or times are subject to change. Ticketmaster is LiveDaily's parent company.