On the heels of word that pop singer Christina Aguilera [ tickets ] will embark on a 40-plus city North American tour next year, tickets for several of the shows are about to go on sale.

Tickets hit the market Saturday (10/14) for Aguilera's upcoming gigs in Houston; Dallas; Omaha, NE; Edmonton, Alberta; St. Paul, MN; Boston; Washington, DC; Philadelphia; Columbus, OH; Rosemont, IL; Providence, RI; Baltimore, MD; and Sunrise, FL.

[Click to search for Christina Aguilera tickets at Ticketmaster.com.]

Country singer Brad Paisley [ tickets ]'s "Time Well Wasted" tour, will be on the road through he end of the year, and tickets for a few of his upcoming concert appearances will go on sale this weekend.

Saturday (10/14) on-sales are planned for Paisley's upcoming gigs in Greenville, SC; San Antonio, TX; and Salt Lake City, UT.

[Click to search for Brad Paisley tickets at Ticketmaster.com.]

Guns N' Roses [ tickets ] recently rolled out the full itinerary for the first leg of their "Chinese Democracy" tour--named for a decade-in-the-works album that still hasn't been given an official release date--and tickets continue to roll out in additional markets.

On-sales begin Friday (10/13) for GN'R's Chicago-area and Milwaukee shows, while tickets hit the market Saturday (10/14) for Auburn Hills, MI; Ames, IA; and Minneapolis, MN.

[Click to search for Guns N' Roses tickets at Ticketmaster.com.]

Portland, OR-based alt-rockers Modest Mouse [ tickets ] will make their live debut with new guitarist Johnny Marr (The Smiths) with a brief stint of November shows.

Tickets go on sale Saturday (10/14) for upcoming shows in Los Angeles and Anaheim, CA, as well as New York City.

[Click to search for Modest Mouse tickets at Ticketmaster.com.]

Country favorite Toby Keith [ tickets ] is currently traveling the nation on his "Hookin' Up & Hangin' Out" tour, and tickets continue to roll out for shows on his lengthy itinerary.

Tickets go on sale Saturday (10/24) for Keith's upcoming appearances in Moline, IL; and Des Moines, IA (via iowaeventscenter.com). On-sales are already underway for many other shows.

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

Ticket on-sale information for many other artists--including Disturbed, Trans-Siberian Orchestra, Mannheim Steamroller, Godsmack, Dirks Bentley, Deftones and John Legend--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.