artist (Required (unless mbid)] : The artist name mbid (Optional) : The musicbrainz id for the artist lang (Optional) : The language to return the biography in, expressed as an ISO 639 alpha-2 code. autocorrect[0|1] (Optional) : Transform misspelled artist names into correct artist names, returning the correct version instead. The corrected artist name will be returned in the response. username (Optional) : The username for the context of the request. If supplied, the user's playcount for this artist is included in the response. api_key (Required) : A Last.fm API key.