Assertion: singer's performance | /r/HasProperty | vocal
Facets:
Source sentences:
text: Controversy has also arisen due to cases where pop singers have been found to be lip-syncing to a pre-recorded recording of their vocal performance or, in the case of the controversial act Milli Vanilli, lip-syncing to tracks recorded by other uncredited singers.
text: Classical Music Vocal Performance: Most singers who major in vocal performance are interested in careers in opera, oratorio, or as a professional recitalist.