 These pedagogical works, his compositions and his transcriptions are edited by Boosey and Hawkes of New York, Chanterelle Verlag of Heidelberg, Barry Editorial of Buenos Aires and Henry Lemoine of Paris.An indefatigable researcher, Carlevaro has also invented a new guitar (Concert-Guitar Model "Carlevaro"), the conception and design of which break away from traditional guitar making.This special model of guitar was first built in 1983 by the Spanish luthier Manuel Contreras (father) in Madrid.