Assertion: singer's role | /r/HasProperty | defined
Facets:
value: clearly
type: MANNER
value: more
type: DEGREE
Source sentences:
text: By the 1950s, singers such as Sam Cooke (with the Soul Stirrers) and Clyde McPhatter (with the Drifters) took on more clearly defined roles as lead singers, and by the end of the decade credited group names often changed to reflect the leading roles of the main vocalists, with examples such as Frankie Lymon & the Teenagers and Dion & the Belmonts.