In the past, The Coachella Valley Music Festival has been THE place to see indie and alternative music. Bands like Arcade Fire, The White Stripes and Florence + The Machine had been mainstays for the Indio, CA. gathering. This year though, it felt like a melting pot of genres and generations! With the addition of AC/DC and Steely Dan to the lineup for 2015, there were 40 and 50-something's jamming right along with 20 and 30-somethings. In fact Donald Fagen and Walter Becker