“Doubt” enters its final weekend at the Oakland Center for the Arts. The Tony-winning

“Doubt” enters its final weekend at the Oakland Center for the Arts. The Tony-winning play leaves audiences wondering whether a priest is guilty of an inappropriate relationship with a student. It will be staged at 8 p.m. tonight, Friday and Saturday. The Oakland is at 220 W. Boardman St., Youngstown. Call (330) 746-0404.

The Music Builds Tour featuring Third Day, Switchfoot, Jars of Clay and Robert Randolph, comes to Blossom Music Center at 6 p.m. Tickets range from $25 to $125, at Ticketmaster outlets. Blossom is at 1145 W. Steels Corners Road, Cuyahoga Falls.

Red Wanting Blue and The Zou provide the music for the final Party on the Plaza of the season. The free event takes place on the plaza in front of Buffalo Wild Wings on Wick Avenue, downtown Youngstown. The music starts around 8 p.m.

Trumbull New Theatre opens its season with the fast-paced comedy “The Complete Works of William Shakespeare [Abridged]” at 8 p.m. tonight and Saturday. The theater is at 5883 Youngstown-Warren Road in Niles. Additional showtimes are 8 p.m. Call (330) 652-1103.

Also playing this weekend on community theater stages:

“The Glass Menagerie,” 7:30 p.m. tonight and Friday and 2 p.m. Sunday, New Castle Playhouse, 202 E. Long Ave., New Castle, Pa., (724) 654-3437.

“The Uneasy Chair,” 7:30 p.m. tonight and Friday and 2 p.m. Sunday, Victorian Players Theatre, 702 Mahoning Ave., Youngstown, (330) 746-5455.

The Youngstown State University Penguins football squad has its home opener at 4 p.m., and the tailgating will begin considerably before that, with live music in the tailgate lots beginning at 1 p.m. There will also be a free pregame “ice breaker” pep rally at 2:30 in Beeghly Center on the YSU campus. The rally will feature the band from YSU’s opponent, Central State University, and of course the YSU band, the 124-member Marching Pride. The band is seeking dancers in grades kindergarten through eighth grade to become one-day members of the Penguinette Dance line. Participants will practice with the dance line before the game, and join the band on the field during the pregame performance. For more information, call the director at (330) 941-1833.

Get green at the first environmentally friendly Grey to Green Festival from 11 a.m. to 6 p.m. at Wick Park on Youngstown’s North Side. The park will be filled with more than 40 businesses and organizations promoting ways to make residents more environmentally conscious. Bring a blanket and buy lunch from the farmer’s market for a green picnic and don’t miss local Irish group Brady’s Leap at 5 p.m. on the main stage.

Polish Day, featuring polka music, dancing, food and crafts from Poland, will be from noon to 4 p.m. at Woodworth Park in Beaver Township. Admission is free.

The Warren Civic Music Association will present The Four Preps in concert at 7:30 p.m. Wednesday in Packard Music Hall in Warren. A limited number of tickets at $30 ($7 for students) are available by calling the Packard box office at (330) 841-2931.

The men in blue — Blue Man Group — return to Chevrolet Centre in Youngstown at 7:30 p.m. Wednesday. Check Ticketmaster for tickets.