The Red Hot Chili Peppers [ tickets ] plan to tour extensively this summer behind their new, two-disc set, "Stadium Arcadium," and tickets go on sale for all confirmed dates over the next two days.

On-sales to the general public begin Friday (5/12) for the tour's Boise, ID, gig, and tickets for all other shows currently on the itinerary go on sale Saturday (5/13).

[Click to search for Red Hot Chili Peppers tickets at Ticketmaster.com.]

Tom Petty [ tickets ] & The Heartbreakers continue to release tickets for their summer tour's first leg. Tickets go on sale Friday (5/12) for Petty's upcoming gigs in Ridgefield, WA; Auburn WA; and Dallas.

[Click to search for Tom Petty & The Heartbreakers tickets at Ticketmaster.com.]

Tickets for the remainder of the confirmed dates on Bruce Springsteen [ tickets ]'s tour with his Seeger Sessions Band are scheduled to go on sale in the coming days.

Springsteen is supporting his new album, "We Shall Overcome: The Seeger Sessions," which features his interpretations of 13 traditional songs, all of which are associated with folk artist Pete Seeger.

On-sales begin Friday (5/12) for the tour's stop in Mansfield, MA, while Saturday (5/13) on-sales are set for Springsteen's appearance at New York's Madison Square Garden.

[Click to search for Bruce Springsteen tickets at Ticketmaster.com.]

Canadian rockers Nickelback [ tickets ] give their neighbors to the south another visit this summer during a lengthy US headlining trek, and tickets for several shows go on sale in the coming days.

Tickets hit the market Friday (5/12) for the tour's stop in Indianapolis. Saturday (5/13) on-sales are planned for Buffalo, NY (via Tickets.com); Columbia, MD; Reno, NV (via Tickets.com); Birmingham, AL; Knoxville, TN; and Nashville, TN.

[Click to search for Nickelback tickets at Ticketmaster.com.]

Pop star/actresss Ashlee Simpson [ tickets ] will tour extensively in the coming months, and tickets continue to roll out for many of her summer gigs.

Tickets hit the market Friday (5/12) for Simpson's planned gigs in Philadelphia and Toronto, while Saturday (5/13) on-sales are set for her Boston appearance. Tickets for many of her other shows are on sale now.

[Click to search for Ashlee Simpson tickets at Ticketmaster.com.]

Ticket on-sale information for many other artists--including Radiohead, Dave Matthews Band, Kenny Chesney, Sheryl Crow, Phil Lesh & Friends and Shakira--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.