T-Pain was the featured artist on Flo Rida's "Low". The song was released in 2007 and was a huge hit, reaching number one on the Billboard Hot 100 chart. T-Pain's vocals on the song were a major part of its success, and he helped to create the distinctive sound that made it so popular.
Flowing with Flo Rida: An Engaging English Quiz on the Legendary Rapper and Singer