progg
progg is a pop music or rock music.
Also recorded as svensk progg; Swedish progg; Swedish alternative music movement; Swedish progressive music movement; Swedish music movement.
Overview
It is associated with Sweden. The record gives 1968 as its date of establishment or first appearance. VALÉORINE records this subject so that lots referring to it can be described consistently.
In detail
1960s/70s Swedish left-wing music scene
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Progg”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1775316: progg
Consult the source