I’ve read your previous responses to letters on tipping, and my thoughts are simple: Tipping is dependent on the service given. I won’t tip at a deli counter, but I will tip more in a diner. I see no ...

NPR's Ailsa Chang speaks with Brittney Denise Sparks of Sudan Archives about her new album The BPM. She talks about how discovering the electric violin in her teens changed things for her.