Peter Yarrow, Noel Paul Stookey speak with Mike Conneen

Singers Peter Yarrow and Noel Paul Stookey, part of the folk trio Peter, Paul and Mary sang "Blowin' in the Wind," as the parents of slain black teenager Trayvon Martin and{ }Mark Barden, whose son Daniel was killed in the shooting rampage at Sandy Hook Elementary School, joined them on stage and sang along.

The third member of the trio, Mary Travers, died in 2009.{ }

Yarrow and Stookey also spoke with NewsChannel 8's Mike Conneen. Watch the full interview above.

The Associated Press contributed to this story.