Sly & Robbie (Got to love that dub, dub, dub...)
Public Enemy (My ultimate rap crew with attitude - introduced me to Brixton in the 80's a mere teen!)
Pink Floyd (Got to love that prog rock hippy shit - heard One of these days with some mates stoned driving around in a battered 2CV....no need to say more)
Chemical Brothers (Love what they did first 2 albums - I must be an Akai fan!!)
The Orb (....jsut because I kinda of dont remember why but it's still in my mind from an acid trip in Weymouth).
Loads more in the back catalogue but if its five then thats the 5 most influential from my youth
Oh and my most influenctial dance track...still worn but playable...
Access Virus - white label
need I say more 1997