How do you get your music on the it blog or radio station? When should you hire a publicist? What does a publicist even do? These questions are common among young musicians looking for their break. In our second installment of Music 101, we talk to tastemakers Sharlese Metcalf (KEXP) and Brandon Stosuy (Pitchfork) about how they discover new artists, then publicist Nathan Walker (Riot Act Media) gives some advice on promoting your band.