Guarda su Altadefinizione. About the life and work of the composer, which includes an interview in which he discusses his musical ideas and important events in his life. Excerpts from a number of key compositions dating from 1925 to 1977 including the choral 'Africa is my name' and Lidice, Five pieces for violin, viola, cello, horn and clarinet' and Dialectic' are used to illustrate the development of his music.