Assertion: progressive rock | /r/HasProperty | indistinguishable
Facets:
value: at the time
type: TEMPORAL
value: nearly
type: DEGREE
value: from psychedelic rock
type: OTHER
Source sentences:
text: With the notable exception of King Crimson (who set the standard for proficiency in the genre), progressive rock was nearly indistinguishable from psychedelic rock at the time.