Berkshire Children and Families' Kids 4 Harmony will perform concerts in North Adams and Pittsfield.

The North Adams program will hold casual concerts at 4:15 p.m. Tuesday and Wednesday, Dec. 15 and 16, at Brayton Elementary School.

Casual concerts encourage students to become comfortable in front of audiences. These concerts last approximately 15 minutes.

The Pittsfield program will perform at 5:30 p.m. Friday, Dec. 18, at Reid Middle School. The 50 children in the program range from beginners to children who have been in the program since its inception in 2011.

The concerts are free and open to the public.