Today’s entertainment picks:

Today’s entertainment picks:

v Canfield Fair, 8 a.m. to 11 p.m.: Country superstar Reba McEntire in concert at 8:30 p.m. at the grandstand; canfieldfair.com.

v Reunion concert, 7 p.m.: Some of the Mahoning Valley’s greatest groups reunite for this annual concert to benefit the fight against breast cancer, including LAW, the Shaddows and Blue Ash. Packard Music Hall, 1703 Mahoning Ave NW, Warren; 330-533-4107.

v Joe Grkman and Bob Turcola orchestras, 2 to 8 p.m.: Polka party at SNPJ Recreation Center, Enon Valley, Pa.; 877-767-5732.

v Ox roast, 9 a.m. to 10 p.m.: A car and truck show and a fireworks show at dark. At Trumbull County Fairgrounds; oxroastcarshow.com.

v Great Trail Arts and Crafts Festival, 10 a.m. to 5 p.m.: American folk art with contemporary and country crafts, at the Great Trail Festival grounds, state Route 43, Malvern; greattrailfestival.com.

“Masterpiece Mystery!” (9 p.m., PBS): Kevin Whately returns as “Inspector Lewis” in Season 4 of the popular “Masterpiece Mystery!” series. The opener finds our wily detective investigating a murder that occurred during a reunion at an all-female Oxford college.

“Dinosaur Revolution” (9 p.m., Discovery): The never-ending fascination in prehistoric creatures continues in “Dinosaur Revolution.” It’s a four-part CGI-animated series that promises an insider’s view of the private lives and strange behaviors of dinosaurs.

“9/11 — Heroes of the 88th Floor” (9 p.m., TLC): In the two-hour documentary “9/11: Heroes of the 88th Floor,” the heroic stories of Port Authority workers Frank De Martini and Pablo Ortiz are told. They both sacrificed their lives to save more than 70 people in the North Tower of the World Trade Center.

TV Listings, B8

Entertainment news

Local rapper RRR to release single

youngstown

Rhonda R. Richardson, also known as RRR, will release her new song, “Mr. Athlete,” Monday on iTunes. It will be available for 99 cents. The single also can be purchased at RBG Music in Warren and at Foster’s Music in Youngstown.

The song is about being the wife of a professional athlete and the problems that can go along with it. A portion of the proceeds from sales of the song will go to a women’s shelter and domestic- violence groups, said Richardson, who is a Youngstown native.

The song will be on RRR’s upcoming album, which will be released in October.

For more information, go to rrrworld.com.

Nature artist to visit gallery

MENTOR

Internationally known nature artist Carl Brenders of Belgium will make two appearances at Gallery One, 7003 Center St. (Route 615 between I-90 and Route 2). Brenders will open an exhibition of his prints and paintings from 6 to 9 p.m. Sept. 23 and will lecture at 7 p.m. He also will be at the gallery from 2 to 5 p.m. Sept. 24 to visit with collectors, sign artwork and introduce new works. Go to galleryone.com.