Marcus Assenmacher has been in a lot of rooms. As a songwriter, producer, and session musician working out of Beat360 Studios, his collaborators have included Teddy Geiger, Lauv, Grammy-winning producer Ricky Reed, and Sammy Adams — years spent shaping other artists’ sounds from behind the desk before stepping forward with his own. Twin Phase, his Detroit-based indie-pop project, is what happens when someone who knows exactly how records are made decides to make one entirely on his own terms.
‘One Way Out’ — out 29th May — is the second single to bear that name, and it arrives with the confidence of someone who has nothing left to prove and everything to say.
Built on programmed drums layered with live electric guitar, bass, synthesisers, and vocals, the track lands squarely at the intersection of nu-disco and alternative R&B — groove-driven, high-energy, and impossible to sit still to. Assenmacher wrote, produced, recorded, and mixed it himself at SayHeySounds, and the hybrid approach shows: the track has the technical precision of a producer and the warmth of a live performance. It sounds expensive without announcing it.
The subject matter is less comfortable than the sonics suggest. “‘One Way Out’ is about reaching a point in a relationship where you realise the only path forward is to be honest with yourself and take a leap into the unknown,” Assenmacher explains. “It explores the tension between holding on to what feels familiar and accepting that real growth often requires letting go.” Vulnerability dressed in a groove you can’t refuse — it’s a difficult emotional trick to pull off, and Twin Phase makes it look easy.
That ease is earned. Assenmacher began touring at 17, picked up a Heritage Guitars endorsement while performing with For All We Know, and went on to study at NYU before building a career behind the scenes. Twin Phase is not a debut in the tentative sense — it’s a pivot, made by someone who spent years learning exactly what he wanted to do differently.
The numbers behind debut single ‘Wired The Same’ bear that out: 27 confirmed placements from 119 submissions, a 27% curator acceptance rate, features from Roadie Music and Cosmonauta Radio, and over 1,200 Spotify algorithmic streams. For a first release, it’s a formidable foundation. ‘One Way Out’ is what you build on it.
A debut album is on the horizon. If these two singles are any indication, Twin Phase is not arriving quietly.
‘One Way Out’ is out now.
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