The Top 10 finalists on this season's edition of the Fox-TV talent competition "American Idol" will join forces--as their predecessors did--for a major North American arena tour.

Tickets for the American Idols Live [ tickets ] tour's Worcester, MA; Pittsburgh, PA; and Indianapolis shows go on sale Friday (5/19), and tickets for the tour's stops in Los Angeles and Anaheim, CA, hit the market Sunday (5/21). On-sales begin Saturday (5/20) for all other shows.

[Click to search for American Idols Live [ tickets ] tickets at Ticketmaster.com.]

Canadian rockers Nickelback [ tickets ] will embark on a lengthy US headlining trek this summer, and tickets continue to roll out this week.

On-sales begin Saturday (5/20) for the tour's upcoming shows in Cleveland, OH; Columbus, OH; Detroit; Englewood, CO; Dallas; Lafayette, LA; North Little Rock, AR; Raleigh, NC; Tupelo, MS (via Tickets.com); Tallahassee, FL; and Moline, IL. Tickets for many other Nickelback shows are already on the market.

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

Country road-warrior Toby Keith [ tickets ] will have a typically packed itinerary this summer as he continues to back his recently released new album, "White Trash With Money."

Tickets for Keith's upcoming appearances in Phoenix and Las Vegas are set to go on sale Saturday (5/20), while tickets are already on the market for many of his other planned shows.

[Click to search for Toby Keith tickets at Ticketmaster.com.]

Dave Grohl will lead his Foo Fighters [ tickets ] on a swing through the US this summer, during which the group will unplug for a series of acoustic shows.

Tickets for the first seven confirmed shows--in Seattle; Berkeley, CA; San Diego; Philadelphia; New York; Boston; and Chicago will go on sale Friday (5/19).

[Click to search for Foo Fighters tickets at Ticketmaster.com.]

Seattle rockers Pearl Jam [ tickets ] recently confirmed a second show at the Bill Graham Civic Auditorium in San Francisco. Tickets hit the market Sunday (5/21) for the band's July 15 appearance at the venue. Tickets for many other planned Pearl Jam shows are already on the market.

[Click to search for Pearl Jam tickets at Ticketmaster.com.]

Ticket on-sale information for many other artists--including Ashlee Simpson, Alan Jackson, Phil Lesh and Friends, James Taylor, Hilary Duff and Dashboard Confessional--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.