Demarkus Lewis

Demarkus Lewis is a DJ, producer and engineer from Dallas, Texas who operates under the aliases Ian Vaughnshay, Ian Vonshay, and Hump Dayz. He runs his own label Grin Music and has maintained consistent output since his first release in October 2011, accumulating 89 releases through August 2024.

Lewis produces deep house, house, jackin house, and peak time driving techno across multiple respected imprints including Viva Recordings, Large Music, Robotical Grooves, and Soulful Evolution in addition to his own Grin Music. His sound spans the house spectrum from deeper, soulful territories to more driving, jackin rhythms that work equally well in intimate club settings and peak-hour dancefloor moments. The prolific output and label diversity demonstrate an artist comfortable moving between different house tempos and moods while maintaining regular presence on established electronic music imprints.