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Adams Library -- 25 Boston Road, Chelmsford; American Art Pottery Exhibit, presented by Country Lane Garden Club, through April 30.
Chelmsford Center for the Arts -- 1 North Road. Portals; hours are Sat. and Sun., 1-4 p..m., or by appointment. Garden in the Gallery, Sat. and Sun., 1-4 p.m., through May 14, or by appointment; www.chelmsfordarts.org.
50 Legs 6th Annual Golf Tournament -- Four Oaks Country Club, Dracut; Mon., May 1; benefits 50 Legs, which provides care and prosthetics for amputees; sponsorships available for $2,500, $1,500. $1,000 and $500; call 781-789-5167 or 813-310-1368.
Claddagh Pub -- 399 Canal St., Lawrence; Pet Rock Benefit Concert & Benefit Bazaar, featuring Lunch Box, Chris Fitz Band, detuned, Ray Mason and The Rolling Two; benefits MSPCA's Nevins Farm; Sat., April 22, 6 p.m.-1 a.m.; $20; all ages.
Hair Cuttery -- 199 Plain St., Lowell; Share-A-Haircut, Mon., May 1, and Tues., May 2; for every haircut, free haircut will be donated to a victim of domestic violence; in conjunction with National Network to End Domestic Violence.
Meat Raffle -- Hudson American Legion Post 48, 1 Fulton St., Hudson, N.H., Sat., April 22, 2 p.m.; benefits Feed Our Kids; 603-889-9777.
New England Pediatric Care -- Cool Kids Road Race/Fun Walk, Sun., April 30, 10 a.m.
Pet Adoption Day -- Pelham Congregational Church, 3 Main St., Pelham, N.H., fourth Sat. each month (April 22), 11 a.m.-2 p.m. ARNNE.
Tewksbury Holiday Inn -- 4 Highwood Drive; Meow Mixer, fundraiser for Billerica Cat Care Coalition; Fri., April 28, 6:30-9 p.m.; $35; www.BillericaCatCareCoalition.org.
The Bull Run -- 215 Great Road, Shirley. Headliners Comedy Series, Steve Guilmette, Kyron Hobdy, Scott MacNeil; Fri., April 21, 8 p.m.
Dracut Community Chorus -- Spring Concert, Sun., May 2, 4 p.m., Dracut High School, 1560 Lakeview Ave.; free; 978-454-4069; Elm1212@comcast.net.
Blue Ocean Music Hall -- 4 Ocean Front, Salisbury. Chase Bryant, country; Fri., April 21, 8 p.m. Brews, Bourbon, BBQ & Blues, with Parker Wheeler & Friends; Sat., April 22, 7 p.m. Ronnie Earl + The Broadcasters, blues; Fri., April 28, 8 p.m. Classic Rock Tribute, with Vyntage Skynyrd, Peacheaters and Nor'Easters; Sat. April 29, 8 p.m.
Hampton Beach Casino Ballroom -- 169 Ocean Blvd., Hampton, N.H. Trace Adkins, country; Sat., April 22, 8 p.m. Dokken & Warrant, rock; Thur., April 27, 8 p.m. Get the Led Out, Led Zeppelin tribute; Sat. April 29, 8 p.m.
Hanover Theatre -- 2 Southbridge St., Worcester; Melissa Etheridge, rock; Fri. April 28, 8 p.m.; Brian Wilson Presents Pet Sounds, classic rock; Sun. April 30, 7:30 p.m.
The Bull Run -- 215 Great Road, Shirley. Coco Montoya, blues; Thur., April 20, 7:30 p.m. Sisters of Slide, Rory Block & Cindy Cashdollar, blues; Fri., April 21, 8 p.m. The End of America, Americana, with Ladybird, folk/bluegrass, Sat., April 22, 8 p.m. John Pizzarelli Quartet, jazz, Sun., April 23, 7:30 p.m.