{"value"=>"Includes letters from Burrill Phillips (under the auspices of Eastman School of Music), the Philadelphia Composers' Forum, the Philadelphia Musical Academy, Eugene Ormandy (under the auspices of the Philadelphia Orchestra Association), the Philharmonic-Symphony Society of New York, Peter Phillips, Robert Phillips, Alfred Pike, Solomon Pimsleur, Edith Piper, Walter Piston, Paul Pisk, and others."}