My wife is a music teacher and does private voice, guitar and piano lessons. When we lived in VT she taught Trey Anastasio's kids. She said it was a little odd having Trey jamming upstairs while she taught his kids.
Me, I sing in the shower...
...but only when nobody's around. If it's any indication, one of my cats is desperate to be let into the bathroom by the time I'm drying off.