JOHN LANGDON values the EDM INDUSTRY at $20 Billion PORTFOLIO October 18, 2016Your Mixes [wp_ad_camp_2] [wp_ad_camp_1] John Langdon featured in Tilllate Magazine [wp_ad_camp_5] More:UK HOUSE STAR JOEL CORRY ADDS HIS SPIN TO REMIX ALOK &…PAUL VAN DYK AND ALY & FILA LINK UP FOR SUMMER SMASH…