In some cases, a track (or possibly even a release) doesn't have a credited performer of any discographic relevance (example: nature sounds releases). These tracks (or releases) should be credited to [no artist].
[no artist] is a SpecialPurposeArtist.
For details about when to use (and not use) [no artist], refer to NoArtistStyle.
Please note that [no artist] must not be used in cases where the information is unknown, but exists. For such cases, consult UnknownArtist.