Summary: <p>In under two years, the 20-year-old dance-pop phenomenon Shamir Bailey has gone from recording songs in his bedroom to seeing his face on a billboard in Times Square. Kurt also talks to rock legend Leon Russell, the subject of a fascinating documentary that’s a time capsule from the weird rock scene of the 1970s. And the artist Laurie Frick turns our obsession with personal tracking into sculptures she calls “data selfies.”</p>
