Pharrell Lanscilo Williams (/fəˈrɛl/; born April 5, 1973) is an American record producer, rapper, singer, and songwriter. Alongside close colleague Chad Hugo, he formed the hip hop and R&B production duo the Neptunes in the early 1990s, with whom he has produced songs for various recording artists. In 1999, he became lead vocalist of the band N.E.R.D., which he formed with Hugo and drummer Shay Haley. Williams has been widely referred to as one of the most influential and successful music producers of the 21st century, having had a significant impact on the sound of modern popular music.