An unsigned album is an unsigned album. Signing is that the company arranges a place to go to the scene to sign an album for fans. The difference is that there is a signature and no signature. MusicAlbum, also known as "Album", refers to a kind of media that gathers more than a certain number of songs or music and releases them to the outside world. Refers to a single item of multiple audio recordings distributed by CDs, records, tapes and other media.