Interesting note - Love Island is a song in Rollcage :P
a few of my favorite zone songs for zone:
Remember - BT
Albino 2: The Red Eye Mix - CoLD SToRAGE (Free download, too :)
Messij XTND - CoLD SToRAGE
Messij 2005: New Science Mix - CoLD SToRAGE
White Vale - CoLD SToRAGE
Cowgirl - Underworld
Drippy - Banco de Gaia
Breath - André Meyer (gooooood luck finding this)
P.E.T.R.O.L. - Orbital
No Man's Land - David Holmes
SineWaves - Maher Al-Samkari (from G.A.M.E. 3.0 for WOHD)
Woop Dee Doop - SupraDarky (from G.A.M.E. 3.0 for WOHD both are free downloads)
Rush 2 Title Screen - Barry Leitch
Garage - Barry Leitch
Bassy - Barry Leitch
Mind's Eye - Imagitech Design Inc. (aka IDI)
Peel - Quanosway (free download, forgot where)
Pandemonium - Yaz (download link here somewhere
some of these are rips from games with non-commercial soundtracks, some simple google-fu should turn up most of them