''Iskelmä'' (coined directly from the German word ''Schlager'', meaning "hit") is a traditional Finnish word for a light popular song. Finnish popular music also includes various kinds of dance music; tango, a style of Argentine music, is also popular. The light music in Swedish-speaking areas has more influences from Sweden. Modern Finnish popular music includes a number of prominent rock bands, jazz musicians, hip hop performers, dance music acts, etc. Also, at least a couple of Finnish polkas are known worldwide, such as ''Säkkijärven polkka'' and ''Ievan polkka''.