I believe it’s chamber music
Chamber pretty much means an enclosed room or space especially one in a legislative building, or a group that meets for a particular purpose or within a particular space.
Hope this helps!
Some of the qualities of Mannerism that are reflected in Bronzino’s work were “elegance, style, and technical skill. also the Mannerists took a very different approach. the term “mannerism” was used to suggest a more formal, less passionate approach to painting, with a focus on technique and style”.