Answer:
"Quick mix theory" is the name that grandmaster flash gave to his unique combination of "cutting and double backing".
Step-by-step explanation:
A unique name for a unique conjunction of "cutting and double backing" indeed. This essential and amazing amalgamation is involved in blending of back spinning, phasing, double backing and cutting between the turntables. This "Quick mix theoryā€¯ is an art of manipulating sounds. It also helps in creating particular sound effects .