In four movements 1. The melody is repeated and developed in other orchestrations with other soloists. After extensive development with different orchestrations, a grand choral based on the twelve- tone row precedes a coda based on the beginning material from the first movement. Harmonic vocabulary is rich with tone clusters, vertical structures based on twelve-tone rows, with several kinds of color sonorities built on intervals of thirds, fourths and mixtures. The melodies are often atonal, but sometimes modal over an atonal accompaniment.
Textures vary greatly with extensive polyphony contrasted with homophonic and block textures.
Instrumentation utilizes virtuosic solos for several instruments including Eb clarinet, oboe and percussion. As a youth he played in the town band under the direction of his father. He became head of the counterpoint department at the Conservatory Superior of Valencia. His compositions are known to have an extended vocabulary of harmony, textures and counterpoint. It will also be helpful if you have external speakers for better clarity.