Signed Louis Mélançon photograph of the American conductor and pianist, best known for his 30-year tenure as the chorus master and lead conductor of the Metropolitan Opera. Adler has inscribed "To Paul, / with my sincerest wishes / Kurt Adler / Boston 1963" in black ink. Metropolitan Opera Press Dept. label and photographer's stamp to verso. Minor wear to lower edge, image unaffected, overall in very fine condition. 8 x 10 inches (20.3 x 25.4 cm.).