A room is already making decisions before the first microphone goes up. It changes the length of a note, the confidence of a singer, the way a drummer balances a kit, and how close a group feels to one another.
The goal is not always to remove those decisions. Often it is more interesting to understand them and put them to work. A reflective corner might become the character of a handclap. A low ceiling can make a small kit feel immediate. An open doorway can hold the distance a song needs.
This is one reason I care about residencies and unfamiliar spaces. A new room interrupts routine. It asks everyone to listen again.