T-Pain is the founder of the record label imprint Nappy Boy Entertainment, established in 2005. Throughout his career as a singer, T-Pain is best known for using and popularizing the creative use of the Auto-Tune pitch correction effect, used with extreme parameter settings to create distinctive vocal sounds. From 2006 to 2010, T-Pain was featured on more than 50 chart topping singles. His most successful feature to date was on Flo Rida's debut single "Low", which has since been certified 6x platinum by the Recording Industry Association of America (RIAA).