Singer, song writer, DJ and producer John Graham aka Quivver began his production career in the early 1990s and is now regarded as one of the most revered figures in the progressive music scene today.Best known as Quivver, he's produced under the monikers Space Manoeuvres, Stoneproof, Skanna and Tilt; each one representing a different shade of his eclectic sound and proof of his true versatility.In 2017, John became Beatport's 4th highest selling progressive artist of the year and his remix of Wally Lopez's ‘Trip’ on Beatfreak Recordings scored a coveted number one spot.He also also appeared in Sasha’s 'reFracted: Live' show and remixed 'Rooms' under his Skanna guise.As a vocalist John has also collaborated and written electrifying songs for the likes of Hybrid, Planet Funk and also Darren Emerson’s project ‘The Low Highs’.