v ABSTRACT INSTRUCTIONAL COMMUNICATION OF TRAINERS IN THE TRAINING ACTIVITIES OF ATHLETES IN THE DRUMBAND SPORTS BRANCH OF THE INDONESIAN DRUM BAND ASSOCIATION OF RIAU PROVINCE. Oleh: Wirahayu Diannisa Pembimbing: Hevi Susanti, S.I.Kom, MA The Indonesian Drum Band Association (PDBI) organization is under the auspices of the Ministry of Youth and Sports of the Republic of Indonesia. In Riau…