Born in 1956 in Sabadell, Benet Casablancas studied music in Barcelona and Vienna. He is a graduate in philosophy and has a doctorate in musicology. He has published numerous musical studies on historical and analytic themes and was responsible for teaching academic subjects in various conservatories in Spain. In 2002, he assumed the leadership of the Conservatori Superior de Musica del Liceu. He is currently a visiting professor at the University of Alcala de Henares and educational director of the Jove Orquestra National de Catalunya.

His work, which include thirty parts (orchestral music for ensemble or vocal), was distinguished by numerous prizes and is played by famous performers (London Sinfonietta, Arditti Quartet, Ensemble contemporain de Montreal, Simfònica Orquestra de Barcelona i National de Catalunya ...).

In 2007, the Government of Catalonia awarded him the Premi Nacional de Musica.