Assertion: original punk | /r/CapableOf | expand their sounds
Facets:
value: by that time
type: TEMPORAL
Source sentences:
text: By that time, the remaining original punks had expanded their sounds, and British punk itself had mutated and splintered into a number of subgenres: pop-oriented new wave, arty and challenging post-punk, icy and forbidding goth-rock, anarchist hardcore punk, and early alternative rock.