Eldkvarn is a Swedish rock band formed in Norrköping in 1971, consisting of brothers Plura Jonsson (the main songwriter, singer and rhythm guitarist of the band) and Carl Jonsson (lead guitarist who also writes songs and sings). The third original member is the bass player Tony Thorén, who has produced a number of albums by Eldkvarn, as well as other artists. The band is very active and widely regarded as one of the best rock bands in Sweden, with a following in other Nordic countries as well.