[1] Trepat was born in Lérida (Spain) in 1960, where he started studying guitar when he was thirteen with Jordi Montagut.
Some of his other teachers were José Tomás, Alberto Ponce, Eduardo Sainz de la Maza and Rafael Andia.
Trepat was an assistant professor of José Tomás and he usually plays with historical guitars made by luthiers like Antonio Torres,[2] Joseph Pagés, Santos Hernández, Hermanos Conde or modern guitars build by José Luis Romanillos and Daniel Bernaert.
[3][4] He is credited for discovering and playing music of Miguel García -Padre Basilio-,[5] who was Dionisio Aguado's teacher.
Some of his CD recordings include music by Federico Mompou, Manuel Quiroga, Isaac Albéniz, Enrique Granados, Francisco Tárrega, Julián Arcas, Antonio José and Miguel Llobet among others.