Marc Antonix and KATTASTROPHIX Bring the Late Night Flavor with ‘4am’

Los Angeles producer Marc Antonix teams up with Bay Area artist KATTASTROPHIX for ‘4AM’, a bass house track with a late night flavor. The release weaves Marc’s tension-driven basslines with KATTASTROPHIX’s darker edge, delivering mechanical vocal chops and glitchy accents designed to hit hard on club sound systems.

For Marc Antonix, 4am follows his viral remix of Heidi Montag‘s ‘I’ll Do It’, which became the top-streamed remix from the official EP with over 222K Spotify plays. Leading up to then Marc has built his reputation on genre-blending electro-bass productions, amassing 3.75 million Spotify streams with nearly 500K in 2025 alone. His recent releases include “Visions” and “Shooting Stars,” earning support from The Chainsmokers, Afrojack, Don Diablo, and Fedde Le Grand.

He’s performed at Academy LA and Avalon Hollywood, and has opened and closed for artists including Alan Walker and Haliene. Lets hear Marc in the mix on Castro & Pollux’ Twin Turbo Radio.

KATTASTROPHIX brings a multi-faceted approach as DJ, singer, and producer, known for blending house, dubstep, and experimental bass. Starting in LA’s underground clubs, she has expanded to digital platforms with over 25,000 legends following here and weekly DJ livestreams that showcase her boundary-pushing style.

Its clear to hear that ‘4AM’ represents both artists’ commitment to club-ready productions with precision-engineering and rave energy.

Marc Antonix