Vallins grew up in the Melbourne suburb of Kew, and in his early teens formed The Kinetics with school friends [Steve Groves, Ian Manzie and Ken Leroy.
Returning to Australia in the late '70s, Vallins and fellow Aussies Gary Keady and John Phelps started the band World, along with London studio musicians Adrian Wyatt and Eric Cairns.
Later at EMI Studios, he produced and wrote tracks for clients like American Express, Apple Inc., Dilmah Tea, De Beers, Domino's Pizza, 2Day FM, 2JJJ, 2SM, 2WS, Streets, Bulmers, McDonald's, Nestle, John Walker, Smith's Crisps, and more.
His songs have been covered and performed by a wide range of artists around the world including Johnny Mathis, Deniece Williams, Patti Austin, Tom Jones, Barry White, Mark Bautista, Sarah Geronimo, Silversun and Acker Bilk as well as many European, Asian and American Country Music Stars.
Vallins continues to work from the comfort of his studios in the Northern Rivers District of New South Wales, and has recently completed new compositions with senior Nashville writers as well as a new album with local country band Gunnado.