1. T-Pain: T-Pain is one of the most well-known users of auto-tune. He employs a distinct vocal style characterized by excessive use of the pitch correction feature. T-Pain's auto-tuned vocals became his signature sound, and his early albums, such as "Rappa Ternt Sanga" and "Epiphany," featured extensive use of the tool.
2. Cher: Cher is another artist known for her heavy use of auto-tune. She popularized a heavily processed vocal style in the 1990s and has continued to use it throughout her career. Cher's songs such as "Believe" showcase the use of auto-tune as an artistic element rather than a purely corrective tool.
3. Britney Spears: Britney Spears' music is another example of prominent auto-tune use. Starting with her album "Blackout," Spears began incorporating heavy vocal processing, and the effect became a staple in her subsequent releases. Songs like "Gimme More" and "Womanizer" feature auto-tuned vocals as a deliberate stylistic choice.
4. Kanye West: Kanye West has been known for experimenting with various vocal techniques and effects throughout his career. Auto-tune features heavily in many of his songs, including hits such as "Stronger" and "Love Lockdown." West uses auto-tune to manipulate and distort his vocals, creating unique soundscapes and atmospheres in his music.
5. Future: The Atlanta-based rapper and singer Future rose to prominence with his distinctive auto-tuned vocals. He frequently uses auto-tune as an integral part of his melodic rap style, employing heavy pitch correction and vocoding to create his signature vocal sound. Songs like "March Madness" and "Low Life" exemplify his use of auto-tune.
It's worth noting that auto-tune has become a common tool in contemporary music production, and its use is not necessarily indicative of a lack of vocal talent. Rather, it has become a creative tool used by artists and producers to enhance and manipulate vocals for artistic expression.