At live shows DJ Next was the group 's DJ , for recording he contributed audio engineering and all the scratching/turntablism on their early works . He regularly competed in the local DMC World DJ Championships ( DMC ) tournaments , winning the South Australian DMC championships multiple times . Hilltop Hoods recorded a demo , '' Highlanders '' , which was released on cassette tape only . As well as Pressure and Suffa on vocals , the group included MC Summit aka DJ Sum-1 , but he did not appear on later Hilltop Hoods work
DMC
DMC World DJ Championships
Hilltop Hoods