Watch T-Pain Sing Without Auto-Tune

"This is weird as hell for me"

T-Pain and auto-tune are so synonymous there is an even an "I Am T-Pain" app you can download on your phone to auto-tune your voice. But the singer showed off his voice sans auto-tune in a performance on NPR's Tiny Desk Concert.

"This is weird as hell for me," T-Pain told the audience watching him perform live with only a keyboard to accompany him. "Never done anything like this." The singer then turned his popular songs into ballads, singing "Buy U A Drank (Shawty Snappin')," "Up Down (Do This All Day)" and "Drankin' Patna."

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T-Pain recently told NPR that people misunderstood why he used auto-tune so much in the first place. "People felt like I was using it to sound good," he said in an interview that will air on All Things Considered. "But I was just using it to sound different.”