{"value"=>"<p>Letter: NY, to Frédérique Petrides, [n. p.] 1939 May 12.</p> <p>Autograph letter, signed; ink (2 p. on 1 leaf).</p> <p>Praising F. P and the Orchestrette Classique at a recent concert he attended.</p> <p>Related names and works: Petrides, Frédérique; Orchestrette Classique.</p>"}