MACY GRAY The Sellout [Concord Records] More than 10 years have passed since Macy Gray struck gold with her smash hit, “I Try.” That old-school soul song and the debut album from which it sprang (On How Life Is) served as a kind of gateway drug for the likes of Amy Winehouse and Joss Stone. Gray has since floundered, releasing albums that either lacked direction (2001’s The Id) or were over-polished (2007’s Big). Happily, The Sellout marks...