OK, parents and caretakers of young kids. Listen up. This one's for you. It's been a long day. You're tired. You just want to relax. But you have a kid to put to bed, and they're not sleeping. For our ...

NPR speaks with Claire Bryant, Assistant Professor at the University of South Carolina School of Music, and "Ashley," a woman who is currently incarcerated and creating lullabies for her children.