Compose music tool helps to create melodies. The program represents graphically the structure of melody being created. Boundaries of motives, phrases and sentences are clearly shown. Compose music tool helps to create melodies. The program represents graphically the structure of melody being created. Boundaries of motives, phrases and sentences are clearly shown. The program provides the following methods of motive development: sequence, variaton, repetition, extraction, inversion, new rhythm generation and so on. Chord Editor includes all frequently used triads, seventh chords and their inversions. Additionally, Chord Editor suggests the only chords that are in accord with the logic of functional motion. It makes it easy to create the right harmonic progression.