Joan Carles Martínez Prat was born in Barcelona, where he began his musical studies independently. He developed an interest in jazz and studied guitar and jazz harmony with the American guitarist Sean Leavitt. Simultaneously, he began studying classical guitar, a path that led him to the Barcelona Conservatory of Music, where he completed his intermediate-level guitar studies, along with studies in harmony, counterpoint, and chamber music.

With a grant from the Ministry of Culture, he moved to Alicante to pursue advanced guitar studies with José Tomàs, graduating with Honors.

He has participated in masterclasses in guitar and performance with David Russell, Manuel Barrueco, and Carles Trepat; and in ancient music with lutenist Hopkinson Smith and William Waters.

He has directed chamber music projects, such as the Almodis Quintet (string quartet and guitar), with which he has performed concerts throughout Europe, the USA, and Asia.

JCMP have also conducted and performed guitar with orchestral projects (Girona XXI), under the direction of Manel Valdivieso, among others, creating new repertoires for contemporary Catalan music.

In the field of pedagogy, he has been an advisor for continuous education courses for teachers at the Universidad Autónoma de Barcelona and Universidad de Girona, and has published pedagogical works dedicated to instrumental groups of young musicians.

He studied counterpoint and fugue with Benet Casablancas and Miquel Roger; and composition with Josep Soler. He has also received guidance from Joan Guinjoan and Ivan Nomik at the Manuel de Falla courses in Granada, and has been mentored and advised by the composer Albert Llanas i Ritch.

He has conducted research on the music of the composers of the Catalan Renaixença (Modernism in Catalonia), and on the music played in concentration camps during the Nazi invasion of Europe. He was invited to present his research in 2011 at the International Holocaust Remembrance Congress held in Terezín, Prague, and served as artistic director of the opera Brundibar in Terezín by the Jewish composer Hans Krása.

His printed music can be found published by La Ma de Guido (www.lamadeguido.com) and Setciències i Publicaciones de la Abadía de Montserrat, and his recorded work is available on the labels Columna Música, Ars Armónica, La Ma de Guido, Nat Team Media, and the A.C.A. Unión Músics Foundation (Mallorca).

He has premiered at the Perpignan New Music Festival and the Irún Music Series, and his work is frequently programmed in the ACC's contemporary music series.

In 2009 she won the prize for creativity in music (Ateneos de Catalunya Awards) and in 2024 the second prize in the composition competition in the City of Balaguer (Lérida) and she received an honorable mention in the Paquita Madriguera competition in the city of Igualada in 2020.