Atlanta foursome D4L broke out in 2005 with the song "Laffy Taffy," one of several crossover tracks released during the early 2000s to inspire revelry as often as contempt, depending on listeners' tolerance for cleverly produced tracks with sharp hooks and crude sexual euphemisms. Originally released independently around D4L's native Atlanta, the song would eventually climb to number one on the Billboard Hot 100 in 2006. The group -- formed in 2003 by Fa-bo, Mook-B, Stoney, and Shawty Lo -- were snapped up by the Atlantic-distributed Asylum for the release of their debut. Down...