Vocal group several papers proclaimed (5)
I believe the answer is:
choir
'vocal group' is the definition.
(group of vocalists)
I don't understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for choir that I've seen before include "Carol singers?" , "warblers" , "They sing" , "Group of singers, often in church" , "Chorus in church" .)