Sing Sing Thanksgiving, also Sing Sing, Ossining, 1972. B.B. King, Joan Baez, live, or finally B.B. King & Joan Baez. In concert at Sing Sing Prison, 1972 is a concert recording and the result of a one-year film workshop, launched by the two film people David Hoffmann and Harry Wiland They lived near the prison called Sing Sing, which is located in the small town of Ossining in the state of New York. This film project was accompanied by all kinds of difficulties. There were problems with the equipment, with the attitude of the prison administration and the inmates. But with a group of twelve prisoners a Thanksgiving concert could be organized as a conclusion of the project. The concert was planned and filmed by the project managers, and the inmates were responsible for the process. Of the many artists who had been invited, only Joan Baez, B.B. King, The Voices of East Harlem, and comedian Jimmy Walker, the film's contents are the concert preparations, interviews with prisoners, the former director, guards, and finally the concert itself. The concert recordings feature footage recorded in Sing Sing. The Voices of East Harlem sing in a mix of funk and gospel of freedom and equality, Joan Baez of abolishing the prisons. In her songs, she promoted understanding for those who got on the wrong track. B.B. King made the audience laugh with his charming lyrics and his outstanding guitar playing.