Crossword Genius

With harsh loudness Ursula & Co bashed Yankee (9)

Ross

I believe the answer is:

raucously

'with harsh loudness' is the definition.
(raucous means unpleasantly loud)

'ursula co bashed yankee' is the wordplay.
'bashed' is an anagram indicator.
'yankee' becomes 'Y' (phonetic alphabet: alpha, bravo, charlie etc.).
'ursula'+'co'='ursulaco'
'ursulaco' anagrammed gives 'raucousl'.
'raucousl'+'y'='RAUCOUSLY'

(Another definition for raucously that I've seen is " in a harsh way".)

I've seen this clue in The Independent.
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