Clarinettist, basset horn virtuoso, composer, educator, and painter; artistic director of Biennale Koper contemporary music festival in Slovenia. He graduated from Giacomo Soave’s clarinet class at the Conservatorio Antonio Vivaldi in Alessandria, studied electronic music composition at the Conservatorio Statale di Musica Ottorino Respighi in Latina, and developed his knowledge and skills with, among others, Alan Hacker and Alain Damiens. At the age of eighteen, he met Karlheinz Stockhausen, who regularly engaged him as a soloist. Marelli premiered and recorded many of the German composer’s works, later released on multi-award-winning albums.