Well-known jazz musician Joe Negri will perform "The Mass of Hope," which he wrote, on Nov. 25 to benefit the Butler Memorial Hospital Caring Angel program and the Butler School District's Golden Tornado Scholastic Foundation.

The concert will begin at 7:30 p.m. Nov. 25 at Butler Intermediate High School. Also performing will be two professional cantors and the Butler Intermediate and Senior high schools student choirs.

Negri, who was a regular on the "Mister Rogers' Neighborhood" television show, is hailed as one of the top jazz guitarists in the country.

Concert tickets are $15 and are available at the Butler School District administration office, the Cherry Tree Gift Shop at BMH, May's Music Shoppe on East Jefferson Street, Truly Yours at Clearview Mall, and all Friedman's Supermarket locations. Tickets are also available by calling 724-284-4716.

SLIPPERY ROCK — "Energy Conservation in the Home" will be the subject of a program at 2 p.m. Nov. 9 at the Jennings Environmental Education Center, Route 528 near the intersection of Routes 8 and 173.Conservation Consultants will look at how saving money and resources go hand in hand.Jennings is open from 8 a.m. to 4 p.m. weekdays and on weekends as scheduled. The trails are open daily from sunrise to sunset.Call 724-794-6011 to confirm programs.

Butler County Community College will present comic/singer/songwriter Mark Eddie in "Comedy That Rocks" from 7 to 8:15 p.m. Nov. 6 in the Succop Theater on Butler County Community College's main campus.Eddie has received five award nominations for Campus Entertainer of the Year by the National Association for Campus Activities.After touring for 11 years as a rock musician with artists like Jackson Browne, Melissa Etheridge, Bad Company and Jimmy Buffett, he made the transition from rock musician to rock comedian.Mark has been touring the U.S. and abroad with his award-winning "rock-comedy" show. He delivers classic rock, hip hop, country, folk and pop references with impressions of famous musicians, while still remaining what audiences call "irreverently clean."Tickets are $5 and are available by calling 724-287-8711, Ext. 8448.

ZELIENOPLE — Northern Nightmares, including a Halloween night dance party, ghost tours and live music, continues through Saturday. The activities are hosted by the Strand Theater Initiative.On Friday, the Fright Fest Tent will be open and free to the public. The dance will be from 8 to 9:30 p.m.The Nightmare Tour, featuring a coach bus ride to haunted locales in Harmony and Zelienople, costs $12 per adult and $8 per child age 12 and younger. Tours begin at 8:30 and 9:30 p.m. on Halloween night.On Saturday the tour will run its regular schedule, with tours beginning at 6:30, 7:30, 8:30 and 9:30 p.m. The Fright Fest Tent will be open from 6 to 9:30 p.m. with live music.Classic horror movies will be shown at Herbe's Z-Town Café, 104 N. Main St.All proceeds from this charity festival benefit The Strand movie theater renovation.For more information, visit the Web site, www.NorthernNightmares.com.

PITTSBURGH — The Pittsburgh Cultural Trust presents "Chip Davis' Christmas: Music of Mannheim Steamroller" at 8 p.m. Dec. 16 and 17 at the Benedum Center, 719 Liberty Ave.Mannheim Steamroller's performances will feature the band's innovative arrangements with lavish multimedia images, synchronized lighting and special effects.Tickets range from $39.50 to $79.50 and are available by calling 412-456-6666 or online at www.pgharts.org.

PITTSBURGH — Pittsburgh International Children's Theater, a division of The Pittsburgh Cultural Trust, presents Enchantment Theatre Company USA's musical version of "The Velveteen Rabbit" from Nov. 19 to 23 at five area locations.The show uses puppets, masked actors and magic added to a backdrop of beautiful scenery and an original score to relate the bedtime fairytale about the stuffed rabbit that becomes a real woodland rabbit.Performance locations are: Nov. 19 at 7 p.m. at Gateway High School; Nov. 20 at 5:30 and 7:30 p.m. at Pine Richland High School, Gibsonia; Nov. 21 at 7 p.m. at Ambridge Area High School; Nov. 22 at 11 a.m. and 2 p.m. at Keystone Oaks Middle School/High School Auditorium, Mount Lebanon; and Nov. 23 at 2 p.m. at the Byham Theater, 101 Sixth St., Pittsburgh.Tickets are $11. For more information, call 412-456-6666 or visit the Web site, www.pgharts.org.

The 19th annual Holiday Tour of Homes, sponsored by the Butler County Symphony Association, is planned for 10 a.m. to 5 p.m. Nov. 22.Five private homes, and a cookie-reception from 11 a.m. until 4 p.m. at Newhaven Court at Clearview, 100 Newhaven Lane, are included.The homes on the tour are those of:• Beverly Antis, 542 N. Monroe St.• Kim DeSantis and Joe McKain, 153 Unionville Road• Tom and Sue Mekis, 714 Clearfield Road, Fenelton,• John and Susan Thomas, 836 Whitestown Road• Jim and Linda Thompson, 1582 Mahood Road, West Sunbury.Ticket/programs can be purchased for $15 in advance at the Butler County Symphony office, 259 S. Main St.; May's Music Shoppe, 247 E. Jefferson St.; Flynn's Tire Center, 236 N. Main St.; Truly Yours, Clearview Mall; Thinking Cap, Point Plaza, and Meridian Station, 298 Meridian Road.On the day of the tour, tickets will be for sale at each house and at the reception for $18.