Grandmaster Flash is often credited with pioneering and popularizing many of the foundational DJ techniques that led to the invention of mixing in hip-hop.
He developed and refined techniques like backspinning, phasing, and punch phrasing, which allowed for seamless transitions between songs and the creation of continuous beats.
Grandmaster Flash was one of many DJs whose innovations laid the groundwork for modern DJing and mixing in the hip-hop genre.