T-Pain is an American singer, songwriter, and record producer known for his unique style that blends hip-hop and R&B. He gained fame in the mid-2000s with hits like "Buy U a Drank" and "Bartender." T-Pain is also famous for popularizing the use of auto-tune, a vocal effect that enhances and modifies singing, making it sound more polished and catchy. In addition to his solo work, T-Pain has collaborated with many artists, including Lil Wayne and Kanye West. His innovative approach to music has earned him several awards, including Grammy Awards, and he continues to influence the music industry today.