There are at least 2 artists with this name.
1. Platnum are a three-piece bassline vocal group from Manchester, UK, consisting of male vocalist Aaron Evers and female vocalists Mina Poli and Michelle McKenna. The group formed for a local talent show, Urban Superstars, in around 2004. They did not win the competition, but used their entry track, Over the Heartache, to showcase their talents to established members of the UK Bassline scene. The track proved popular Read more on Last.fm