Musical Theatre Guild of Butler opens "How to Succeed in Business Without Really Trying" at 8 p.m. Friday and Saturday and 3 p.m. Sunday at the Succop Theater at Butler County Community College.

Tickets are $17 for adults and $13 for students and are available at May's Music Shoppe, 247 E. Jefferson St., from 11 a.m. to 6 p.m. Mondays through Fridays and 10 a.m. to 2 p.m. Saturdays.

For more information, call 724-287-8243.

Tickets for the Butler Little Theatre performance of "The Importance of Being Ernest," the final play of the season, go on sale to the public May 6. The price is $10.Members dates for buying tickets are Tuesday and Wednesday.This show by Oscar Wilde runs May 14 to 22. Curtain is at 8:15 p.m. Fridays and Saturdays and at 7:30 p.m. Tuesdays through Thursdays.Call 724-287-6781.

SLIPPERY ROCK — The Old Stone House hosts a Native-American Festival celebrating Native-American history from 10 a.m. to 5 p.m. Saturday and Sunday.The free event offers traditional drum music with singing provided by the Muddy Creek Singers, a northern-style drum group.Stephen Glinsky, Slippery Rock University professor emeritus of modern languages and cultures, presents "The World of the Eastern Woodland Indians" at 1 p.m. Saturday. The interactive program uses historic artifacts, books and paintings.The "All Nations Gathering and People of the Forest" offers demonstrations of native dance, song and storytelling.Guides will be on hand for tours of the facility.The Old Stone House is on Route 8 at the intersection of routes 173 and 528, just south of Slippery Rock.

FRANKLIN — The Canadian Tenors will appear in concert at 7:30 p.m. Tuesday at Franklin High School, 246 Pone Lane.The Canadian Tenors have traveled around the globe with their blend of classical and contemporary pop music.Tickets are $20 at the door. The doors will open at 6:30 p.m. for season ticket holders and at 6:45 p.m. for all others.For information, call Cheryle Scott at 814-677-5357 or Elaine Frey at 814-432-2816. The program is sponsored by the Venango Community Concert Association.

PITTSBURGH — The Charlie Daniels Band headlines the "Kick-Off to Summer" concert June 4 to benefit the 2011 National Veterans Wheelchair Games to be held in Pittsburgh. Other bands will play also.Doors for this all-ages show open at 5 p.m. at The Amphitheatre at Station Square.Seated and general admission tickets range from $28 to $38 with a limited number of gold circle tickets available for $75. Call 800-745-3000 or visit www.ticketmaster.com.

KITTANNING — Lonestar along with The Stickers will perform at 7 p.m. June 19 at the Belmont Complex, 415 Butler Road. Doors open at 6 p.m.The concert will raise money for the Armstrong County YMCA, East Franklin Volunteer Fire Department and The Burnt Ridge Bow and Gun Club.Lonestar's biggest hit was 1999s "Amazed," a crossover that reached number one on both the country charts and the Billboard Hot 100.The Shawn Cogley Band and Terry Lee Spencer will also play.Ticket are $25 and are available through the websites www.armstrongymca.org, www.co.armstrong.pa.us, or www.ticketweb.com.