Grounded in hip-hop yet never averse to pop, Mark Ronson has applied his voracious musical obsessions to become one of the most commercially successful producers from the mid-2000s onward. The DJ-turned-recording artist made his true solo debut with "Ooh Wee" (2003), a collaboration with Ghostface Killah and Nate Dogg that went Top 20 in his native U.K., but he truly set himself apart as the co-producer of Amy Winehouse's throwback-styled Back to Black (2006), a global smash that earned him his first three Grammy Awards, including Producer of the Year. Ronson's subsequent solo...