April showers bring…music festivals. With all the killer line-ups, scenic venues, and $5 hot dogs to choose from among this year’s options, it can be difficult to decide just where exactly to pitch your tent and go mad for your favorite acts. It’s a good thing we broke the must-see festivals down for you, with everything you need to know — from lineups to the price of bottled water — before you pack your cooler. Better get moving, Coachella is in a few weeks and the lineup is overwhelming!<…