We get a lot of mail at NPR Music, and alongside bales of deep-discounted Easter candy is a slew of smart questions about how music fits into our lives — and, this week, thoughts on buskers, tipping and etiquette.
Holly R. writes via email: "How much of a tip is good for the street-side musician with a cup at his feet? What about for one playing in a bar?"
Also read: Great Westcott! Sign misspells street name