Jazz singer Vaughan (5)
I believe the answer is:
sarah
'jazz singer vaughan' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for sarah that I've seen before include "- Bernhardt, Fr. actress" , "Abraham's wife (OT)" , "Lady" , "Abraham's wife in the Old Testament" , "Girl's name" .)