Major Lazer (AKA DJs Switch and Diplo) and La Roux's Elly Jackson teamed up in Jamaica for the Lazerproof mixtape, available as a free download from Mad Decent today. The name comes from Major Lazer plus the name of La Roux's biggest hit to date, "Bullet Proof," (so you can expect a mix of Lazer's Jamaican sounds and Jackson's electropop ...