Jem Aswad Senior Music EditorRising R&B singer Maeta has signed with the Roc Nation label, the company announced, and is kicking off the relationship with a new EP, “Habits,” which comes out April 31 and features her single and video “Toxic.” The track, which is executive produced by Skrillex, features a verse from Beam and details the dialogue of two lovers caught up in a tumultuous and toxic relationship.“Maeta has one of those rare natural voices that will stop you in your tracks,” said