CineCalidad. The music of legendary blues-based guitarists Albert Collins, Lonnie Mack and Roy Buchanan are featured in this film highlighting their historic December 6, 1985 concert at Carnegie Hall. Included are personality profiles on each musician and the story of what brought these three innovative bluesmen together in one live performance. Released by Barznton Productions in 1986, the video has a running time of 90 minutes.