def various?
      joined_names = "#{name} #{appears_as}".downcase

      various_variations = ["vario", "v???????????????rio", "v.a", "vaious", "varios" "vaious", "varoius", "variuos", \
                            "soundtrack", "karaoke", "original cast", "diverse artist"]
      various_variations.each{|various_variation| return true if joined_names.include?(various_variation)}
      return false
    end
def various?
      joined_names = "#{name} #{appears_as}".downcase

      various_variations = ["vario", "v???????????????rio", "v.a", "vaious", "varios" "vaious", "varoius", "variuos", \
                            "soundtrack", "karaoke", "original cast", "diverse artist"]
      various_variations.each{|various_variation| return true if joined_names.include?(various_variation)}
      return false
    end
does this artist represents various artists?
@return [Boolean]