For details on these and more listings, visit whatdoUwannado.com.

Children

Discovery Museums -- 177 Main St., Acton (programs are free with admission unless noted). First Friday Nights Free, Fri., Jan. 5. Mirror Mirror What Do You See?, Thur., Jan. 11, 10-11 a.m.

Films, Books, Lectures

Hearing Room -- 119 Chelmsford St., Lowell. Choose Your Adventure Reading and Discussion Group; Mondays, 6-7 p.m.; discuss books you have read with others.

Indian Hill Music -- 36 King St., Littleton, 978-486-9524, ext. 116, www.indianhillmusic.org (all events free for IHM students). Music Discovery Lecture, Tues., Jan. 9; $10. Chamber music, Fri., Jan. 12, 7 p.m.; $15. Junior District mock auditions, Sat., Jan. 13, 10 a.m.; $20. Bach's Lunch concert, Thur., Jan. 218, 11 a.m. and 1:30 p.m.; $20. Orchestra of Indian Hill, All-Mozart evening at Littleton High School Performing Arts Center, 56 King St.; Sat., Jan. 29, 7:30; $20/$35/$50. Free Lesson Day, Sat., Jan. 27. Music lessons and classes, ongoing.

St. Mary's Church Hall -- 25 North Road. Human Trafficking Panel Discussion, Thur., Jan. 11, 7-8:30 p.m.

Fundraisers

Westford Academy Performing Arts Center -- 30 Patten Road. Four-Handed Illusions: An Intimate Evening of Laughs & Wonder, Fri., Jan. 19, 7-9:30 p.m. $20 students and senior citizens, $40 others; benefits Westford Academy Trustees Scholarship Fundraising Event; 781-953-3344,