Crossword Genius

Song recalling Texas girl with underwear on (9)

Ross

I believe the answer is:

galveston

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'song recalling texas' is the definition.
I know nothing about this answer so I can't judge whether it can be defined by this definition.

'girl with underwear on' is the wordplay.
'girl' becomes 'gal' ().
'with' is a charade indicator (letters next to each other).
'underwear' becomes 'vest'.
'gal'+'vest'+'on'='GALVESTON'

Can you help me to learn more?

(Other definitions for galveston that I've seen before include "Glen Campbell hit" , "Texan resort" , "Texas resort" .)

I've seen this clue in The Independent.
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