MadForIt
Refugee
Finn brothers? Tim was only in the band briefly, for the third album. The Aussie duo of Nick and Hessie are (well, in Hessie's case, were ) just as important.
Anyway, by your logic, back when Pietersen was the most important member of the English cricket team, does that mean England was South Africa?
If NZ cant claim Crowded House, who have they got?
Shihad
Pheonix Foundation
Fat Freddy's Drop
and ofcourse
Stan Walker