Lawrence—part of Bruno Mars’ songwriting trio The Smeezingtons—has helped pen hits like CeeLo Green’s “F--- You,” Flo Rida’s “Right Round,” and Snoop Dogg’s “Young, Wild, and Free.” Rather than encouraging people to tear up the dance floor or smoke weed, the singer-songwriter hopes his new tune, “Begin Again,” will inspire peace between Israelis and Palestinians.