This paper addresses a few problems related to transferring into the digital domain the information of multimedia documents. Indeed, it is desirable to realize archives easier to access and allowing a more widespread fruition of the contents. In this respect, the problem of automatizing as much as possible the transfer and retrieval operations is crucial. After a brief sketch of the work-in-progress activities being done in cooperation by Computer Scientists and Musicologists, some preliminary results will be presented in the fields of multimedia databases, optical music recognition and preservative transfer of sound documents.