He later founded and directed Cuba's Municipal Conservatory Orchestra, where he worked as professor of Harmony, Composition, Aesthetics and Music History. In 1958, he received the Reichold of Caribbean and Central America Prize, conferred by the Detroit Orchestra for his Sinfonía en mi. In 1959, he created the Musical Department at Casa de las Américas. He has spent his life working on transforming and developing musical education in Cuba. In 1961 and 1964, he was the Cuban Ambassador to France.
His work tends to bridge the forms of contemporary classical and modern Cuban or Latin American music. His catalog includes symphonic, chamber, vocal and incidental music for theater and movies. He died in December 2008 in La Habana, Cuba.