Barbara —, actress who played Major Anya Amasova in 1977 action film The Spy Who Loved Me (4)
I believe the answer is:
bach
(Other definitions for bach that I've seen before include "Name of composing family" , "German baroque composer, d. 1750" , "J. S. --, baroque composer" , "Goldberg Variations composer, d. 1750" , "Relating to stars" .)