Why it matters: New Orleans natives Trombone Shorty, Jon Batiste and Ledisi ... The music is what keeps the city alive and the heartbeat going, so I think they've done a good job and I'm happy ...

How Trombone Shorty is training the next generation of musicians in his hometown Troy Andrews, better known as Trombone Shorty, grew up with music all around him in New Orleans, first playing on ...