Rostam Batmanglij spent his twenties building Vampire Weekend from a Columbia University dorm project into one of indie rock's biggest bands. But by 2013, Batmanglij – who wrote, produced and played keyboards for the group – was looking to branch out. "A lot of people get a high from being
This article originally appeared on www.rollingstone.com: How Rostam Went From Vampire Weekend Member to Pop’s Secret Weapon