4 down
Jazz
fan
turned
up
with
old
mum
in
American
city
(6)
Jazz fan turned up with old mum in American city (6)
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The definition is at the end of the clue.
How the clue works
American city is your definition — think Washington state. Jazz fan gives you CAT (old slang for an enthusiast), which turned up reverses to TAC, then stick in old (O) and mum (MA) and you've got your six letters.