The itinerary for this summer's Down From the Mountain tour will be extended to an additional 12 destinations, up from the originally announced 29 stops. Due to kick off June 25 in Louisville, Ky., th

The itinerary for this summer's Down From the Mountain tour will be extended to an additional 12 destinations, up from the originally announced 29 stops. Due to kick off June 25 in Louisville, Ky., the tour -- spawned from the runaway success of the Lost Highway soundtrack to the film "O Brother, Where Art Thou?" -- is now scheduled to last through an Aug. 21 finale in Birmingham, Ala.

Along with Birmingham, other newly confirmed cities on the list for the CMT-sponsored multi-artist tour are St. Louis, Mo., Memphis, Shreveport, La., Little Rock, Ark., Kansas City, Mo., Madison, Wis., Noblesville, Ind., Charleston, W.Va., Chester, W.Va., and Roanoke, Va.

As previously reported, the tour will feature Alison Krauss & Union Station featuring Dan Tyminski and Jerry Douglas, Emmylou Harris, Ralph Stanley, Patty Loveless, Norman & Nancy Blake, Chris Thomas King, Ricky Skaggs, the Del McCoury Band, the Whites, and the Nashville Bluegrass Band. Additionally, select dates will feature the Cox Family, the Fairfield Four, the Flatlanders, and the Peasall Sisters.

The "O Brother" soundtrack is in its 33rd non-consecutive week on top of Billboard's Top Country Albums and Top Soundtracks charts. On The Billboard 200, where it recently spent two weeks at No. 1 after winning a slew of Grammy Awards, the set rests at No. 6 in its 68th week on the tally.

For more information on the album, the artists, and the tour, visit the outing's official Web site

Here is the updated Down From the Mountain itinerary (all shows are currently on sale unless otherwise noted):

June 25: Louisville, Ky. (Freedom Hall)
June 26: Clarkston, Mich. (DTE Energy Music Theatre)
June 28: Buffalo, N.Y. (Darien Lake Performing Arts Center)
June 29: Philadelphia (Mann Center for the Performing Arts)
June 30: Lowell, Mass. (Paul E. Tsongas Center)
July 2: Uncasville, Conn. (Mohegan Sun Arena)
July 3: Toronto (Molson Amphitheatre)
July 5: Ottawa (Cisco Systems Bluesfest)
July 6: Washington, D.C. (Bull Run; on sale April 25)
July 7: Cuyahoga Falls, Ohio (Blossom Music Center)
July 9: Cincinnati (Firstar Center)
July 10: Columbus, Ohio (Value City Theater)
July 12: Portsmouth, Va. (NTELOS Pavilion at the Harbor Center)
July 13: Charlotte, N.C. (Cricket Arena; on sale May 4))
July 14: Raleigh, N.C. (Entertainment & Sports Arena; on sale April 27)
July 16: Sevierville, Tenn. (Smokies Stadium)
July 17: Atlanta (Chastain Park; on sale May 18)
July 19: Austin, Texas (Frank Erwin Center)
July 20: Dallas (Smirnoff Music Centre)
July 22: Chicago (Theatre at United Center)
July 23: St. Paul, Minn. (Theatre Bowl at Xcel Energy Center)
July 25: Boise, Idaho (Idaho Center Amphitheater)
July 26: Salem, Ore. (L.B. Day Amphitheater)
July 27-28: Seattle (Chateau St. Michelle Winery; on sale May 4)
July 30: San Jose, Calif. (Compaq Center @ San Jose)
July 31: San Diego (Coors Amphitheater)
Aug. 1: Los Angeles (Greek Theatre)
Aug. 2: Santa Barbara, Calif. (Santa Barbara Bowl)
Aug. 4: Morrison, Colo. (Red Rocks; on sale April 29)
Aug. 6: St. Louis (UMB Bank Pavilion; on sale May 6)
Aug. 7: Memphis, Tenn. (DeSoto Arena; on sale date TBD)
Aug. 9: The Woodlands, Texas (Cynthia Woods Pavilion; on sale date TBD)
Aug. 10: Shreveport, La. (CenturyTel Center; on sale May 3)
Aug. 11: Little Rock, Ark. (Riverfest Amphitheatre; on sale date TBD)
Aug. 13: Kansas City, Mo. (Starlight Ampitheatre; on sale date TBD)
Aug. 14: Madison, Wis. (Kohl Center; on sale May 4)
Aug. 15: Noblesville, Ind. (Verizon Wireless Amphitheatre; on sale May 10)
Aug. 16: Charleston W.Va (Charleston Civic Center; on sale May 4)
Aug 18: Chester, W.Va (The Harv @ Mountaineer Race Track; on sale date TBD)
Aug. 20: Roanoke, Va. (Roanoke Civic Center; on sale May 4)
Aug. 21: Birmingham, Ala. (Oak Mountain Amphitheatre; on sale June 8)