Folkways Records

Entourage Music and Theatre Ensemble

İlhan Mimaroğlu, Mary Ann Hoxworth (leadvocalist)

Mount Zion African Methodist Episcopal Church Junior Choir, Bernard Benson (leadvocalist), Joyce Mobley (leadvocalist), Bennett Union Baptist Church Choir No. 2, Leola Wilson (leadvocalist), The West Singers, Kinsey West (leadvocalist), Alfredda Jenkins (leadvocalist), Saint John Holiness Church Junior Choir, Margo Dan Boone (leadvocalist), Earlene Fuquay (leadvocalist), Ruth Mallard (leadvocalist), Beverly Green (leadvocalist), Festus Moses (leadvocalist), Harriett Seadrow, Harriet Seadrow (leadvocalist)

Jeff Richman, Trudie Richman (leadvocalist)

Pete Seeger, Jeanne Humphries, Rev. Frederick Douglass Kirkpatrick (leadvocalist)

Ed McCurdy (leadvocalist)

Jorge Juan Rodríguez

Children of Cuenca, Ecuador, Cuenca Children (leadvocalist), Children of Uruapan, Mexico, Uruapan Children (leadvocalist), Children of Loiza Aldea, Puerto Rico, Loiza Aldea Children (leadvocalist)

Robert Franc

Child Development Group of Mississippi (leadvocalist)

Israel Kaplan

Dr. H.E. Ulrich, George E. Caraker

Edwin Randall

Poetry reader

Marian Seldes

Addison M. Metcalf

John S. Martin

Burton Raffel, Robert P. Creed

Lucie De Vienne Blanc, Henri Barras

Paul Mankin

Armand Bégué, Louise Bégué, Pierre Capritz

Prof. Avv. Mario Palladini

Bertolt Brecht

Natalia Uzhvy, Dmitri Antonovich, Ivan Oleksandrovych Mar'ianenko, Victor Dobrovolsky, Sokirko, Konstantin Simonenko

Roberta Goldstein

Anthony G. Pilla

James A. Farley, Harold Langer

Kenneth Patchen, Alan Neil

John F.C. Richards

Irene Dailey, John Aspinall, Nancy Howard, Shirley Leinwand, Beverly Shimmin, Del Shorter

Claire Luce

V.C. Clinton-Baddeley (leadvocalist), Marjorie Westbury (leadvocalist), Jill Balcon, Caroline Southam, John Glen, Carleton Hobbs, Christopher Hassall, C. Day Lewis, Pauline Letts, Dimitri Vetter, Harry Hutchinson, Edgar A. Vetter, T.W. Southam

José Rodrigues Miguéis

Morris Schreiber

Cast of the Isaiah Sheffer production, Cast of the Isaiah Scheffer production (leadvocalist), Arnold Black, Ruth Black, Eric Bentley (leadvocalist), Jerome Clegg

Thomas Blackburn, Charles Causley, John Heath-Stubbs, D.J. Enright, Kingsley Amis, Philip Larkin, Donald Davie, Vernon Scannell, John Wain, Elizabeth Jennings, Thom Gunn, Peter Porter, Ted Hughes, George MacBeth, Edward Lucie-Smith

Sholem Asch

Morris Schreiber, Kenneth Buckridge

Charles W. Dunn

Shakespeare for Students Company

Don José Crespo

Alan Mills (leadvocalist), Hélène Baillargeon (leadvocalist)

Geula Gill, Dov Seltzer, Geula Gll (leadvocalist)

J.D. Robb (synthesizer)

University of Toronto Electronic Music Studio

Becky Carlton, Rev. Audrey F. Bronson (leadvocalist)

Richard Kostelanetz

Entourage Music and Theatre Ensemble

Talib Hakim, William Bolcom, Howard Swanson, Frederic Rzewski, David Holloway (leadvocalist)

Noa Ain, Yoko Matsua (leadvocalist), Joel Chadabe, Ann McMillan, Gordon Mumma, Vladimir Ussachevsky

Vaclav Nelhybel

Stewart Robb

Harold Courlander

Franzpeter Goebels

Paul Zukofsky, Gilbert Kalish

Amiram Rigai

Pete Seeger, Ruth Rubin (leadvocalist)

Octavio Corvalan (leadvocalist)

Abraham Lass

Jim Nollman (leadvocalist)