This edition presents conversations of young musicians with composers and musical figures, graduates of the St. Petersburg State Conservatory, whose creative life is associated with the bayan and accordion .. The range of problems under consideration is extensive - from a review of works created for accordion and bayan, determining the place of these instruments in modern culture and reflections on their prospects for development to general issues of modern music. The publication is addressed to students, teachers of musical educational institutions, as well as to a wide range of readers interested in the problems of accordion-battle art . This edition presents conversations between young musicians and composers and music figures, graduates of the St. Petersburg State Conservatory, whose activities are associated with a button accordion and accordion. The range of issues considered is extensive — from a review of compositions created for the agreement and button agreement, determining the place of these instruments in a contemporary culture and thoughts on their development prospects to general issues of contemporary music[D] The book is addressed to students, teachers of musical educational institutions, as well as to a wide range of readers interested in the problems of accordion and button accordion art.