Assertion: folk rock | /r/AtLocation | popular
Facets:
value: during the late 1960s
type: TEMPORAL
value: during 1970s
type: TEMPORAL
Source sentences:
text: British folk rock was at its most significant and popular during the late 1960s and 1970s, when, in addition to Fairport and Pentangle, it was taken up by groups such as Steeleye Span and the Albion Band.