{"value"=>"Includes letters from David Cohen, Wilson Coker, David Randolph (under the auspices of the Columbia Broadcasting System), George Avakian (under the auspices of Columbia Records), Charles Schwartz (under the auspices of Composers' Showcase), Edward Cone, Consulate General of Denmark, Contemporary Chamber Ensemble, Gerald Cook, Roque Cordero, Ramiro Cortes, George Crumb, Arthur Custer, Alvin Curran, and others."}