Rihanna is an R&B artist who gets down with rap, turns up to EDM, incorporates sounds of her Caribbean upbringing, and keeps Extreme's Nuno Bettencourt in her road band. Oh, and she's responsible for some of the best pure pop of the 21st century. This party-ready playlist offers similar range, with each artist putting their own spin on at least one element of Rihanna's unique blend.