In this article, the emphasis is placed on the dramatic and performing features of the Тrio INO-1, which were first presented in the musicology of the Republic of Moldova. Vladimir Alexandrovich Rotaru (1931–2007) – a well-known composer in Moldova, conductor, laureate of the State Prize of Moldova, Honored Art Worker of the Republic of Moldova, Professor of the Academy of Music, Theater and Fine Arts. Being a versatile creative person, V. Rotaru showed himself not only as a brilliant composer, but also as a performer and as a teacher. V. Rotaru›s works are actively included in the concert pedagogical repertoire. V. Rotaru is a brightly national composer; the style of his writing represents the direction of neo-folklorism. The composer›s creative heritage consists of many musical genres: symphonic music, chamber instrumental and chamber vocal, concert music. At the turn of the 20th and 21st centuries, an original cycle of three piano trios was composed, under the general title «INO». It encodes the abbreviation of the first letters of the three performers to whom the author has dedicated the cycle. These are Inna Saulova, Nadezhda Kozlova and Olga Yukhno, colleagues in the Department of the Chamber Ensemble, who became the first performers of the entire cycle.