Composer and multi-instrumentalist (Saxophone, clarinets, flute, piano and accordion player) whose work goes around jazz and other creative music styles. His original music includes certain eclecticism and influences from classical music to rock. He started his studies at the age of 8 and finished his formation with his degrees in Composition and Performance, expanding his jazz training at several seminars and master- classes with Perico Sambeat, Jerry Bergonzi, Bob Mintzer, Mark Turner, Seamus Blake, Bruce Barth, Jason Palmer, Jorge Pardo, etc. His style has been constantly improved by the performance of a long number of styles ( post-bop and modern jazz, fussion, manouche, dixieland, funk, latin, flamenco, classical, oriental, progressive rock, mediterranean folk...) including the performance of his own compositions, and with his work as a session musician. He has worked regurarly with some music shows producers as arranger, composer, band leader and performer, inside the field of musical theatre and others. Since 2019, Feltrer is the professor of harmony and history in the jazz studies at the Valencia Conservatory.