Iturbi, José. (1895–1980) & Palau, Manuel. (1893–1967) & Soriano, Gonzalo. (1913–1972) Signed Concert ProgramConcert program from a Madrid performance with the Orquesta Nacional in February of 1959, signed by conductor Iturbi, who led the ensemble, pianist Soriano, who was featured as soloist for Mozart's Concerto No. 23 in A major, and composer Palau, whose "Trptico catedralicio" opened the performance. 12 pp. In fine condition. 6 x 8 inches (15. 2 x 20. 4 cm.).