The size of the orchestra was increased. Woodwind instruments were doubled and bass clarinet, contrabassoon, piccolo, and English horn were added. More brass were used and trombone and tuba were added. The percussion section was enhanced with bass and side drums, xylophone, celeste, gongs, cymbals, bells, triangle, and chimes. Harp was also introduced. More strings were used to balance the larger wind and brass sections.