FOREST CITY —Tree Town Music Festival has steadily grown for four years.

This year’s Tree Town event is scheduled for May 25-28 at Heritage Park of North Iowa, Winnebago Industries property and WIT Grand National Rally grounds in Forest City. Headliners include Bret Michaels, Thomas Rhett, Alan Jackson and Jason Aldean.

Thousands of fans will spend Memorial Day weekend listening to their favorite country acts.

Big & Rich, Love & Theft and Chris Young are among the other big names gracing the stage this year.

The event is in its fourth year and has a history of drawing big acts, including Tim McGraw and Miranda Lambert last year. Blake Shelton and Rascal Flatts took the stage in 2015, and Brad Paisley and Toby Keith in 2014.

Last year’s festival drew record crowds, organizers said and expectations are high for this year.

Last year, VIP tickets were almost sold out in mid-April. Rockin’ Range passes for the front of the main stage were sold out the first day they went on sale.

Two of the camping sites sold out early. A third, larger section was close to selling out in mid-April.

Although ticket sales have been brisk, fans can still see if tickets are available by checking

There are multiple stages and beer gardens though the site.

Thursday, May 25

3 p.m. — Brianna Alomar

5:15 p.m. — The Hepperly Band

8 p.m. — Pure Prairie League

9:30 p.m. — Bret Michaels

Friday,  May 26

3 p.m. — Joe Denim

4:30 p.m. — Jake McVey

6 p.m. — Tucker Beathard

8 p.m. — Big & Rich

10 p.m. — Thomas Rhett

Saturday, May 27

3 p.m. — Joe Denim

3 p.m. — Adley Stump

4:30 p.m. — Luke Bell

6 p.m. — Love & Theft

8 p.m. — Dwight Yoakam

11:30 p.m. — Alan Jackson

Sunday, May 28

3 p.m. — Joe Denim

3 p.m. — David Ray

4:30 p.m. — William Michael Morgan

6 p.m. — High Valley

8 p.m. — Chris Young

10 p.m. — Jason Aldean