This seminal R&B trio was the first group to sport the new jack swing sound, essentially traditional soul vocals melded to hip-hop beats, with credit for the genre's invention going to founder, multi-instrumentalist, and superproducer Teddy Riley. Riley formed his first band, Wreckx-N-Effect, while still a teenager, with brothers Markell Riley and Brandon Mitchell; Guy followed a few years later in 1987. Its first incarnation featured vocalists Aaron Hall and Timmy Gatling. ...