There was no phrasing, no indication of loud or soft, on scores from his time.

ECONOMIST: Gustav Leonhardt

Madlener explains that, depending on where you're sitting in relation to the sound source, it's either too loud or too soft.

NPR: IRCAM: The Quiet House Of Sound

From various places, soft or loud sobbing would break out and then subside.

NEWYORKER: In Other Rooms, Other Wonders