A typical sonata movement is an expanded version of everyday song.
Symphonic sound is a band plus massed strings playing in unison.
W opens with a stunning performance of Young People's Guide to the Orchestra, filmed orchestral section by section. Then it traces the development of the orchestra, illustrating the differences between the contemporary orchestra and those of earlier times. K introduces all the instruments while performing Bolero in rehearsal and final performance. K dramatizations of scenes from his life interspersed with performances of his music. Points out that although deafness affected his personal life, it placed no limitations on his musical genius.