Add to these the fluid vigour of the unfinished relief of the Martyrdom of S.Andrew, No.

126, and you have five examples of human accomplishment that would be enough without the other Florentine evidences at all--the Medici chapel tombs and the Duomo Pieta.
The inscription under the Brutus says: "While the sculptor was carving the statue of Brutus in marble, he thought of the crime and held his hand"; and the theory is that Michelangelo was at work upon this head at Rome when, in 1537, Lorenzino de' Medici, who claimed to be a modern Brutus, murdered Alessandro de' Medici.

But it might easily have been that the sculptor was concerned only with Brutus the friend of Caesar and revolted at his crime.

The circumstance that the head is unfinished matters nothing.

Once seen it can never be forgotten.
Although Michelangelo is, as always, the dominator, this room has other possessions to make it a resort of visitors.