Band of gold painter applied to furniture (9)
I believe the answer is:
orchestra
'band' is the definition.
(thesaurus)
'gold painter applied to furniture' is the wordplay.
'gold' becomes 'or' ('or' is the heraldic name for gold).
'painter' becomes 'ra'.
'applied to' means one lot of letters go next to another.
'furniture' becomes 'chest' (chest is a kind of furniture**).
'ra' after 'chest' is 'chestra'.
'or'+'chestra'='ORCHESTRA'
'of' acts as a link.
(Other definitions for orchestra that I've seen before include "alternative to the organ" , "those who provide the music" , "Eg, LSO, RPO" , "Instrumental group" , "Other cars (anag.)" .)