Patent ID: 7765314

Claim:
A contents managing apparatus comprising: a contents data download device configured to download a plurality of contents data continuously in sequence, each including musical performance data and header data identifying at least contents of the respective musical performance data and usage restriction information; a non-volatile storage device for storing the downloaded contents data; a contents information analyzing device configured to read and analyze the header data of each of the plurality of contents data as soon the header data is downloaded while the respective musical performance data thereof is being downloaded by said contents data download device to thereby obtain identifying information relating to the contents data; and an identifying information display device that displays the identifying information, including the usage restriction information, obtained by said contents information analyzing device, and download statuses of the plurality of contents data, wherein the displayed identifying information allows a user to determine whether to complete or cancel downloading of the respective musical performance data associated therewith, while continuing with downloading of the remaining contents data.