Music room (7)
This clue is a double definition.
'music' is the first definition.
(chamber music is a kind of music)
'room' is the second definition.
(I know that room can be written as chamber)
(Other definitions for chamber that I've seen before include "Compartment" , "vault" , "Room where a judge transacts business" , "Judge's room" , "It may be found in a gun" .)
I believe this is a double definition.
'music' is the first definition.
(I know that study is a type of composition)
'room?' is the second definition.
(I know that study is a type of office)
(Other definitions for study that I've seen before include "Room for work/reading" , "Swot" , "Learn; den" , "Examine carefully" , "Read to learn" .)