Josep Maria Mestres Quadreny has been played on NTS shows including Confused Temporalities , with - first played on 30 August 2016.

Josep Maria Mestres Quadreny (born 4 March 1929 in Manresa) is a Spanish composer.

He studied sciences at the University of Barcelona, taking lessons in composition from Cristòfor Taltabull. In 1968 he started the Catalan Group of Contemporary Music (Conjunt Català de Música Contemporània), and in 1976 the Catalan Instrumental Group (Grup Instrumental Català) with Carles Santos. He also founded the Phonos Laboratory of Electroacoustic Music in 1973.

His output includes incidental music for theatre and cinema, musicals, ballet, opera and instrumental music. He has also collaborated with visual artists, including Joan Miró, Antoni Tàpies and Joan Brossa.

In addition to his compositional activities, he has taught at the Darmstadt New Music Courses and the Latin American Course of Contemporary Music in Brazil.

He is chairman of the Joan Brossa Foundation and an emeritus member of the board of trustees of the Joan Miró Foundation.