artist (Required) : The artist name tag (Required) : A single user tag to remove from this artist. api_key (Required) : A Last.fm API key. api_sig (Required) : A Last.fm method signature. See authentication for more information. sk (Required) : A session key generated by authenticating a user via the authentication protocol.
This service requires authentication. Please see our authentication how-to.
This is a write service and must be accessed with an HTTP POST request. All parameters should be sent in the POST body, including the 'method' parameter. See rest requests for more information.