There is less Dr. Dre on The Massacre, although a crew of capable understudies is on hand. In place of “In Da Club” we get three sleazy, throbbing club hits: “Just a Lil Bit,” “Disco Inferno,” and “Candy Shop.” all undeniably infectious. Better still are “Ryder Music,” “Get In My Car,” and especially “Ski Mask Way,” spooky and brooding tracks from indie producers Hi-Tek and Disco D