What’s the quietest thing that ever moved you?

Last rehearsal, the third clarinet missed a cue. Not a flub—just a breath too late, a hesitation in the air. And for a second, the whole orchestra stopped. Not because of the mistake, but because we all heard it: the space between notes had weight. I’ve been thinking about how silence isn’t empty—it’s where music learns to breathe. What’s the smallest, quietest thing that ever cracked your chest open?