Drum ‘n’ bass champion Edward Holmes, known as Optiv, reported dead Edward Holmes was known for his work with Cause4Concern, Red Light Records and his stage name, Optiv Related Posts: Ry Hill gives Justin Bieber’s ‘Peaches’ a spry drum ‘n’ bass recasting [Stream] Dillon Francis starts new ‘id{nb}gafos’ drum ‘n’ bass series with extended ‘Isolation’ mix