Nayvadius DeMun Cash, known professionally as Future, is an American rapper, singer, songwriter, and record producer. Known for his mumble-styled vocals and prolific output, Future is considered a pioneer of the use of Auto-Tuned melodies in trap music. Due to the sustained popularity of this musical style, he is commonly regarded as one of the most influential rappers of his generation.

Auto-Tune, or autotune, is an audio processor introduced in 1997 by the American company Antares Audio Technologies. It uses a proprietary device to measure and alter pitch in vocal and instrumental music recording and performances.