One of country music's premiere festivals, Country Thunder, is set to come back in 2011 two all-star events held at the Canyon Moon Ranch in Florence, Ariz. as well as in Twin Lakes, Wisc.

This year, Martina McBride, Toby Keith, Sawyer Brown and Jason Aldean are confirmed for the Arizona festival, while Rascal Flatts, Lady Antebellum, Zac Brown Band and Martina will take part in the Wisconsin event.

Fans who purchase their tickets for the Florence, Ariz. lineup taking place April 7-10, 2011, have a chance to get a four-day general admission pass for only $99 if purchased by or before November 30, 2010.

The Twin Lakes, Wisc. festival will take place July 21-24, 2011. The discounted price of $99 tickets for a four-day general admission pass is also available for a limited time only through December 31, 2010.

VIP and sponsorship packages are available for both festivals, which including hospitality tent access, preferred parking and premium concert seating. There will be several types of camping available on site for concert attendees, from primitive rugged to rustic and modern amenities.

More artists will be added to the lineup in the coming weeks. For more information or to purchase tickets to the Country Thunder festivals, visit their website by clicking here.

Country Thunder - Florence, Ariz. Lineup:

Thursday, April 7, 2011 (music begins at 6:30 PM)

Sawyer Brown

Friday, April 8, 2011 (music begins at 2:00 PM)

Jason Aldean

Saturday, April 9, 2011 (music begins at 1:00 PM)

Martina McBride

Sunday, April 10, 2011 (music begins at 1:00 PM)

Toby Keith

Country Thunder - Twin Lakes, Wisc. Lineup:

Thursday, July 21, 2011 (music begins at 5:30 PM)

Lady Antebellum

Friday, July 22, 2011 (music begins at 1:00 PM)

Zac Brown Band

Saturday, July 23, 2011 (music begins at 1:00 PM)

Martina McBride

Sunday, July 24, 2011 (music begins at 1:00 PM)

Rascal Flatts