Award-winning singer-songwriter Judy Collins recounts her decades-long music career and her political activism, which included testifying in Chicago in 1969 in support of the Chicago Seven. At 76, Collins is touring worldwide and has just released her first studio album in four years, titled "Strangers Again."

It was Collins' 1967 cover of Joni Mitchell's "Both Sides Now" that launched her into an international spotlight and won the pop-folk singer her first Grammy award for Best Folk Performance. The biggest success of her career would come later, in 1975, with her cover of Stephen Sondheim's "Send in the Clowns," which won her a Grammy award for Song of the Year. She was also the inspiration for Crosby, Stills and Nash's "Suite: Judy Blue Eyes" after being romantically involved with Stephen Stills. 

Collins performed with Leonard Cohen on WTTW's music series "Soundstage" in 1976. Watch the entire performance below in this exclusive, historic video.

Listen to the song "When I Go," Collins' duet with Willie Nelson from the just-released album.