Solo from girl on euphonium (4)

I believe the answer is:

lone

'solo' is the definition.
(thesaurus)

'from girl on euphonium' is the wordplay.
'from' indicates a hidden word.
'LONE' is hidden in the letters of 'girl on euphonium'.

(Other definitions for lone that I've seen before include "Unaccompanied" , "Solitary, without companions" , "Sole" , "He likes to operate by himself" , "Solitary, sounds like advance" .)

I've seen this clue in The Independent and The Sun.

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