HAROULA ROSE So Easy haroularose.com Sometimes love is hard, like on “Only Friends,” the confused “Are we or aren’t we?” tune that leads off this excellent five-song EP. Other times it’s “So Easy,” as the Chicago-born, L.A.-based Rose sings on the title track, barely containing her joy amid an airy ’60s-pop backing. Either way, this singer and guitarist radiates hope and light, even on “Slow Dancing,” a moody (by this disc’s...