MACK, Colo. (KKCO) - A few last-minute changes have been made to the 2011 line-up for the biggest country music festival around.

Country Jam officials say an act has been added to the shows on Thursday, Friday and Saturday.

Below is the latest lineup.

Thursday, June 23:
Glen Templeton @ 3:15 p.m.
Josh Kelley @ 5 p.m.
Joe Nichols @ 7:15 p.m.
Lady Antebellum @ 10 p.m.

Friday, June 24:
Texaco Country Showdown Winner @ 12:30 p.m.
Marshal Rein @ 1:30 p.m.
Troy Olsen @ 3 p.m.
James Otto @ 5 p.m.
Clint Black @ 7:15 p.m.
Western Underground @ 10 p.m.

Saturday, June 25:
Charlie Jenkins @ 1:30 p.m.
Brett Eldredge @ 3 p.m.
Sawyer Brown @ 5 p.m.
Rodney Atkins @ 7:15 p.m.
Alan Jackson @ 10 p.m.

Sunday, June 26:
Just Dave Band @ 1 p.m.
LoCash Cowboys @ 2 p.m.
Thompson Square @ 3:30 p.m.
Neal McCoy @ 5 p.m.