Simmons began busking on the main street of Newtown, Sydney in his mid-teens and laer formed L.U.S.T.
While a member of Sydney rock band The Art, he toured with them through Europe and the US as support to Faster Pussycat.
[2] While in the US he worked with Tommy Henriksen and Gilby Clarke, with The Raskins as their guitarist on a tour with Mötley Crüe, and recorded an album with Motochrist.
In 2018 he formed the rock duo The Hots with his then-wife Foxie Kelly,[3] but during COVID lockdowns in Los Angeles the couple split.
[4] Following an Australian tour with that band in early 2023, he joined Rose Tattoo.