SOUTH-WEST UNIVERSITY “NEOFIT RILSKI“ FACULTY OF ARTS DEPARTMENT OF “MUSIC” Stanimir Demirev Demirev GEORGI MITEV'S CONTRIBUTION TO THE DEVELOPMENT OF ACCORDION ART IN BULGARIA Dissertation Abstract for acquiring the educational and scientific degree "doctor" field of higher education: 8. Arts, professional field: 8.3. Music and dance art, doctoral programme: Theory and practice of performing arts Scientific supervisor: Prof. Rumen Poterov, D.A Blagoevgrad, 2022 The dissertation work was discussed at a meeting of the Department of Music, held on …………….2022 and was proposed for public defence.