Featuring workshops and more than 10,000 trains on display and sale. 11 a.m.-5 p.m. today and Sunday, Cincinnati Convention Center, 525 Elm St., downtown. $7, free ages 11 and under with paying adult. (513) 352-3750.

In concert

O.A.R. (of a revolution) with Ordinary Peoples, 7:30 p.m. today, Taft Theatre, 317 E. Fifth St., downtown. $27.50. (513) 562-4949.

Dillinger Escape Plan with Every Time I Die and Misery Signals

8 p.m. today, Bogart's, 2621 Vine St., Corryville. $14. (513) 562-4949.

Trace Adkins performs 8 p.m. today, Belterra Casino Resort & Spa, 777 Belterra Drive, Belterra, Ind. $25. (812) 427-7777

Second City comedy croup

One performance only, 8 p.m. today, Mount St. Joseph College Theater, 5701 Delhi Road, Delhi Township. $7, $5 for Mount St. Joseph students and staff. (513) 244-4900.

Circus Minimus

The One-Man Circus in a Suitcase featuring Kevin O'Keefe. 10:30 a.m. and 2 p.m. today, Playhouse in the Park, Rosenthal Plaza, 962 Mount Adams Circle, Eden Park. Part of the Rosenthal Next Generation Theatre Series. For ages 4 and up. $5.50, $4.50 children ages 4 to 18. (513) 421-3888.

Musical performance

Vocal Arts Ensemble of Cincinnati, Ensemble Theatre and Central State University Chorus perform Let My People Go!, 6 and 9 p.m. today, National Underground Railroad Freedom Center, 50 E. Freedom Way, downtown. Lecture by composer Donald McCullough 30 minutes before performance. www.vaecincinnati.org. $20, $10 students. (513) 333-7500.

Looking Ahead

24 hours out

Godsmack, 8:30 p.m. Sunday, Taft Theatre, 317 E. Fifth St., downtown. Acoustic show. $32.50. (513) 562-4949.

48 hours out

Alteractive speaks, 7-8:30 p.m. Monday, Playhouse in the Park, Rosenthal Plaza, 962 Mount Adams Circle, Eden Park. Panel discussion topic; Same Sex and Cincinnati. Pay what you can. Reservations recommended. Limited seating. (513) 421-3888.

Rob Bucher