Husband following Queen inside museum's gallery (8)
I believe the answer is:
verandah
'museum's gallery' is the definition.
'verandah' can be an answer for 'gallery' ('verandah' can be a synonym of 'gallery'). I am not certain of the 'museum's' bit.
'husband following queen' is the wordplay.
'husband' becomes 'h'.
'following' is a charade indicator (letters next to each other).
'queen' becomes 'veranda' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'h' after 'veranda' is 'VERANDAH'.
'inside' is the link.
Can you help me to learn more?
(Other definitions for verandah that I've seen before include "gallery" , "Roofed area on the side of a house" , "16 21 [INDIAN IMPORT]" , "Roofed platform adjoining a house" , "Porch" .)