On this week's mini-sode of In Service Of, longtime Coachella and Springsteen concert veteran Steve Baltin, who has been all access at 18 Coachella's and seen Springsteen 60 times, talks about both as they converge on LA next week. Importantly for all of you going to Coachella he talks about the undercard acts, from David Byrne and Iggy Pop to Holly Humberstone, you cannot miss.