Happy Earth Day, headliners! Thank you to everyone who joined us in taking the TreePeopleLA pledge to be more eco-friendly. #EarthDay #TreePeople Check your email within the next 24 hours - 500 entrants will receive an electronic certificate and one lucky headliner will be notified that they've won a pair of tickets to their choice of either #AUDIOontheBAY or #EDCNY!