In the article the described sphere of musical work is musically-computer technologies as a result of process of informatization, that is conditioned by mushroom growth of electronic musical instruments from the simplest synthesizers to the powerful musical computers. There was the new interdisciplinary sphere of professional activity, related to creation and application of the specialized musicalhardware and softwarefacilities that require knowledge and abilities both in a musical sphere, and in area of informatics. Such basic directions of introduction of information technologies are certain in music: the use in scientific researches, organization of academic association and work with a musical inheritance. Many-sided nature, global applicability of electronic and computer music, give new, essentially, boundless possibilities of self-realization, stimulate swift development of intellect, destroying music on a new level.Compatibility of electronic music with traditional musical technologies creates terms for the succession of musical epochs and styles, their interpenetration and synthesis, strengthening interest in a musical culture on the whole. Success with the modern use of the similar systems lies in integration of all computer possibilities. Investigating history of becoming of digital music, influence of MIDI- of technologies is described, as leading direction in a computer musical studio. MIDI- technology gave possibility to recreate a voice record in any rate and in any key, vocalists and bandsmen got possibility to conduct even independent employments after accompaniment and to do the detailed analysis of piece of music, that does irreplaceable the marked technology in musical educational establishments. Also, principle of transmission of audioinformation is explained for MIDI- of protocol. The marked home achievements of modern composers are in relation to embodiment of computer technologies in a musical art. Feather orientation of work of the Ukrainian composers from withstand general stamps on the deeply personality understanding of sociocultural processes is accompanied by the search of new intellectual senses in music. Influence of digital technologies is analysed onpublishing house of notes business and distribution of electronic editions, that assists distribution of musical information from one side, and from other, requires the specification of matter of authorial law and intellectual property. Advantage of new type ofto printed preparation of musical collections above an old method is undoubted, but the most valuable is seemed by that humanity got around the decision of question of the "unheard" piece of music.