Theater

Friday, April 20-?Saturday, May 5

“Pirates of Penzance,” Lyric Music Theater, 176 Sawyer St., South Portland. Fridays and Saturdays, 8 p.m.; Sundays, 2:30 p.m. $21.99. 799-1421, 799-6509 or ticketslyric@maine.rr.com.

Saturday, April 21

“Take Two,” 10 2-minute plays with two different interpretations, 8 p.m., St. Lawrence Arts Center, Portland. ?$12-14. Maine Playwrights Festival. www.acorn-productions.org or 854-0065.

Friday and Saturday, ?April 22-23

“Hedda Gabler,” classic drama by Henrik Ibsen, presented by USM Theater, 7:30 p.m. University of Southern Maine Russell Hall, Gorham, $8-$15. usm.maine.edu/theatre.

Tuesday, April 24

Alvin Ailey American Dance Theater, presented by Portland Ovations, 7:30 p.m., Merrill Auditorium, Portland. $45-$60, porttix.com or 842-0800.

Concerts

Friday, April 20

USM School of Music Composers Showcase, classical to contemporary pieces, 8 p.m., University of Southern Maine Corthell Concert Hall, Gorham. Free.

Saturday, April 21

“Somewhere Over the Rainbow,” dance music by Night Rockers, 7 p.m. at Portland Elks Lodge, to benefit June Relay for Life of Greater Portland. $20. 396-8514.

Saturday, April 21

“Dancing with the Community,” 6 p.m., Italian Heritage Center. Benefits South Portland Recreation Department senior fitness class. 767-7650.

Thursday, April 26

Maine Jazz Band concert, 7 p.m., Alfond Hall Auditorium, St. Joseph’s College, Standish. Free.

Events

Saturday, April 21

Jim Witherell, Maine guide and author of “L.L. Bean: The Man and His Company,” 2-5 p.m., Books-A-Million, South Portland. 253-5587

Saturday, April 21

“Gambo Gunpowder Mills,” presented at Windham Historical Society Museum, 234 Windham Center Road, Windham, 9 a.m.-noon, site walk at 1:30 p.m. Free, donations accepted. 892-1306.

Saturday-Sunday, ?April 21-22

Gem & Mineral Show, presented by Maine Mineralogical & Geological Society, St. Joseph’s College, Standish, 10 a.m.-5 p.m. Saturday, 10 a.m.-4 p.m. Sunday. Vendors, demos of gem cutting, gold panning, raffles, door prizes. $3-$4, free for children 12 and under. 893-6627 or mlasalle@sjcme.edu.