He formed a small band with his two best friends, and for years they toured the pubs in Belfast, Northern Ireland where he was born.

[4] Gribbin also toured, under the name Joe Echo, with many artists including Gotye, Powderfinger, The Script and opened for Sir Paul McCartney at the Hard Rock Calling[5] Festival in Hyde Park, London.

In 2009, while supporting Paolo Nutini on his Australian tour under Joe Echo, Gribbin met INXS keyboardist and songwriter Andrew Farriss at a house party in Sydney.

The members of INXS were impressed with Gribbin's vocal and songwriting ability and promptly asked him to audition for lead vocalist of their band.

Gribbin recently announced on The Morning Show on the Seven Network that his new single "My Killer, My King" will be released and available for download on iTunes on Friday, 16 August 2013.

The Environmental Music Prize is a quest to find a theme song to inspire action on climate and conservation.