I get:

Music, radio sounding music that's random genres, sounds old timey, or marimba music, or classical or made up songs that don't exist but are pretty (usually not too loud though, sounds like it's coming from the next room)

Voices (same thing, sounds distant, like people are chattering about me in the distance or around the corner) or one time my ex talking trash about me under his breath. He was asleep when that happened, so it wasn't real.

Happens when I'm between episodes, or at my baseline which is kind of depressed. Happens more when I'm manic or headed toward mania.