| 摘要 |
PROBLEM TO BE SOLVED: To deliver musical sound data which have copyright information and are constituted of plural tracks. SOLUTION: In music data constituted of four parts of piano, base, drum and vocal, the constitution of project data 81 dealt by a management center consist of every part as independent track in. The tracks 1 to 4 have independent copyright information. Namely, copyright information are recorded in the tracks 1 to 4 when the respective tracks 1 to 4 are generated by different writers. When the track of the new part is added to project data 81 and different project data is generated, for example, copyright information of the respective tracks are prevented from being deleted. |
