Nationalteatern
Ta det som ett löfte ta det inte som ett hot (1972)
Livet är en fest (1974)
Barn av vår tid (1978)
Nationalteatern is a Swedish progg rock group from the 1970s that featured leftist political lyrics. It was originally a traveling theater ensemble with many members, most notably Ulf Dageby, Anders Melander, Totta Näslund, Nikke Ström, Hans Mosesson and Pale Olofsson.
http://www.nationalteatern.nu/