N.E.R.D. is gearing up to release it's fourth studio album entitled, Instant Gratification, which is due out at some point in 2010 according to Pharrell Williams. The group is not only releasing it's fourth album it's also added a fourth member to the band, Rhea, a female singer introduced to Pharrell, Chad, and Shae by a mutual friend. Rhea is from the city of Toronto and is of Guyanese descent. This new song that the group has released features Santigold and is entitled, Soldier.