


Founded in 2018 by principal violinist Marianne Rothschild, The Crossing Machine isn’t your average string quartet. The Crossing Machine features some of Melbourne's most sought-after session and orchestral musicians.
While their foundation is built on the rigorous precision of classical and chamber music, this ensemble thrives on the edge of experimentation. From the grandest concert halls to the most intimate jazz clubs, they are defined by their ability to "cross" genres with effortless sophistication.
The Crossing Machine musicians have collectively shared the stage and the studio with a staggering list of global legends and homegrown stars. These include:
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International Legends: Andrea Bocelli, Il Divo,Elton John, Robbie Williams, Alice Cooper, Roger Daltrey, Peter Frampton.
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Australian Music Royalty: Jimmy Barnes, Guy Sebastian, Kate Ceberano, John Foreman, Paulini, Casey Donovan.
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Stage & Screen: Barry Humphries, Silvie Paladino, Marina Prior, Circus Oz.
What truly sets The Crossing Machine apart is a restless curiosity beyond their commitment to traditional classical music. Whether it’s the soaring melodies of Pop, the grit of Rock, or the swing of Jazz, or the rich tapestry of Country, they bring a cinematic depth to every note.
With every project and every performance, The Crossing Machine delivers a world-class experience that is as polished as it is adventurous.

Debbi Arpini - Lead Vocals
Michelle Eaton-Reid - Backing Vocals, Female Duets
Gary Hobley - Backing Vocals, Male Duets, Acoustic Guitar
Debbi , Michelle and Gary share more than just a stage; they share an uncanny musical connection. While each is a powerhouse soloist with a distinct vocal identity, something magical happens when they come together. With over twenty years of history performing together at events across Victoria and Queensland, their connection has evolved into a seamless blend. Their signature three-part harmonies don’t just fill a room, they invite the audience into their world!
A sought-after vocalist with a career spanning over two decades, Debbi Arpini has recently found a surprising yet fitting new home in the music of Dolly Parton. By embracing the natural "Dolly-esque" warmth inherent in her own tone, she has unlocked a fresh creative passion.
Debbi’s artistry is defined by a remarkable versatility; her voice has navigated diverse musical landscapes, ranging from intimate acoustic or jazz sets in local venues, to high-energy Top 40 hits at large-scale corporate events and performing backing vocals for various premier tribute bands. Now, Debbi brings her signature soul and passion to this unique celebration of Dolly’s repertoire, delivering each performance with the grace and respect that Dolly's iconic music deserves.