 Complete the following phrase:  In January 1970, they performed at the Winter Festival for Peace at Madison Square Garden on a bill with Harry Belafonte, Richie Havens, Judy Collins, Dave Brubeck, Blood, Sweat  Tears, Peter, Paul and Mary, The Rascals, Jimi Hendrix who abandoned his performance after two numbers, and the cast of Hair. They made regular TV appearances, and recorded an album for Elektra Records, Right On Be Free, released in 1970. The album focused on ensemble singing in a traditional black gospel style, but with secular lyrics emphasising the power of the people, and a soulful feel. Several of the tracks, including the title track Right On, Be Free, were written by Chuck Griffin. Lead vocals on Right On Be Free were by Cole, Anna Griffin, Gerri Griffin, and Cynthia Sessions. The backing musicians included Richard Tee, Cornell Dupree, Chuck Rainey, and Ralph MacDonald, and the album was produced by David Rubinson. The group received a standing ovation at the 