Humming is a ubiquitous and mundane act many of us perform. The fact that we often hum to ourselves, to family members, or to close friends suggests that humming is a personal, intimate act. It can al
Humming is a ubiquitous and mundane act many of us perform. The fact that we often hum to ourselves, to family members, or to close friends suggests that humming is a personal, intimate act. It can al
