# File lib/rbrainz/webservice/query.rb, line 399
      def submit_isrcs(tracks2isrcs)
        raise RequestError, 'Please supply a client ID' unless @client_id
        params = [['client', @client_id.to_s]] # Encoded as utf-8

        tracks2isrcs.each do |track_id, isrc|
          track_id = Model::MBID.parse(track_id, :track).uuid
          isrc = Model::ISRC.parse(isrc)
          params << ['isrc', track_id + ' ' + isrc.to_str ]
        end

        @webservice.post(:track, :params=>params)
      end