Assertion: zeppelin's performance | /r/HasProperty | rough
Facets:
value: a bit
type: TEMPORAL
Source sentences:
text: Although the recording and the group's performance is a bit rough, in a review Eder singled out the song as "something new, a slow blues as dark, forbidding, and intense as anything that the band ever cut – it showed where Page, if not his band, was heading.