This article talks about the currently unexplored works of the beloved Azerbaijani composer Tofik Kuliyev, written by him for a symphony orchestra, as well as his works called "Choreographic novels". The article reveals the richness and diversity, types and forms of melodic development in terms of genre classification. Such factors of the musical language as melody, harmony, national musical basis, types and forms of melodic development (repetition, sequence, variance, rolling, singing ) have been studied. All this actualizes the study of the creative heritage of Tofig Kuliyev.