He graduated from the Sydney Conservatorium of Music and performed with Australian jazz musicians Vince Jones, Paul Grabowsky, James Morrison, Don Burrows, New Zealand musicians Mike Nock, Kim Patterson, Kevin Field, Frank Gibson Jnr, Nathan Haines, Mark de Clive Lowe, Andy Browne, Roger Fox, King Kapisi and Gray Bartlett.
The first single Loophole features TV presenter Russell Harrison on vocals, rapper King Kapisi, percussionist Miguel Fuentes and Hopkins on an assortment of instruments.
Hopkins helped to start the Heineken Green Room Sessions in New Zealand with DJ Clarke and The Gordon Bennett Project.
GBP have also played at the Heineken Open, headlined in Malaysia and Singapore at several big events and released a double CD recorded at Millton Vineyards & Winery in Gisborne.
Hear Now After, which was released in March 2008, features many of the musicians listed above and other players from New Zealand and Australia, including appearances by drummer Tony Hopkins, Mike Nock, Max Stowers, Dixon Nacey, Aaron Coddel, Jonathan Zwartz and Sean Wayland.