Oriental setting for ‘edgy work’ from Beatles wife and naked mystic? (8)

Ross

I believe the answer is:

yokohama

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But I can't explain it at all! Could you help me understand?

(Other definitions for yokohama that I've seen before include "here in Asia" , "Japanese city and port" , "Major Japanese port" , "Second largest city of Japan" , "Honshu seaport" .)

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