Jacques Klein (10 July 1930 – 24 October 1982) was a Brazilian composer and pianist. Born to a Jewish family in Aracati, he grew up in the nearby city of Fortaleza, where he began to study piano at the Conservatorio Alberto Nepomuceno, which was founded by his father. At the beginning of the 1940s he moved to Rio de Janeiro, where he studied with Liddy Mignone at the Conservatorio Brasileiro de Musica, where he himself began to teach in the 1950s. At the age of thirteen he temporarily left classical music and set up a jazz trio with his friends Dinarte Rodrigues (on guitar) and Breno Porto (on drums). The trio began to perform once a week on Radio Jornal do Brasil, starting in 1946. In 1948 Klein returned to classical music and studied with William Kapell in New York City and with Bruno Se