The crossword solutions for the term 'Concerto for Orchestra Composer' are RAVEL (5 letters), VIOLA (5 letters), and OBOE (4 letters). Maurice RAVEL was a French composer who wrote the 'BOLERO' and the 'Pavane pour une infante defunte'. He also composed the 'Concerto for Orchestra in D Major' in 1932. The concerto is scored for two flutes, two oboes, two clarinets, two bassoons, four horns, two trumpets, three trombones, timpani, triangle, cymbals, harp, and strings. The solo VIOLA part is prominent throughout the piece. The OBOE is featured in the second movement of the concerto.