\if you mean most famous then its the Mona lisa
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”.
I would say similar shapes
The correct answer would be [ vocal improvisation ]
I hope this helps!!!