Mixing & Mastering Engineers, Producers & Songwriters who worked with Constantinos

Club-focused mastering engineer specialized in techno and high-impact electronic music, with 3,000+ tracks mastered across Europe. I help producers achieve powerful, loud and controlled masters that translate perfectly on real club sound systems. As a DJ and producer under O.N.L, I know how a track needs to sound to feel punchy, clear and stable.

15 years after starting producing my first ever electronic music genre music, i'm now co-composing, post-producing, mixing & mastering for world-grade artist & producer (wich i can't name for some of them for obvious legal reason). You can request my services to help you finishing a track, but also starting froms scratch, mixing & mastering it.

I am a young entrepreneur who has been involved with The GRAMMY Foundation, and worked with platinum selling artists. I am very hands-on and meticulous when I work with someone to ensure that we get the sound we desire. I have a suite of software and hardware, and years of experience that I feel will be of value to interested musicians.

I will professionally mix and master your song to your liking

Hi! I'm Steven and my production company is Fireheart Productions. I started playing music when I was 14, playing bass in a hardcore band. From there I learned drums, sound engineering, guitar, singing, and production. I worked at a popular studio here in California for quite some time, and learned a lot working with different types of artists.

We can Mix/Master and Produce your song in an affordable price

15 years after starting producing my first ever electronic music genre music, i'm now co-composing, post-producing, mixing & mastering for world-grade artist & producer (wich i can't name for some of them for obvious legal reason). You can request my services to help you finishing a track, but also starting froms scratch, mixing & mastering it.

Prolific singer/songwriter with a voice most often compared to Natalie Merchant. Melodies and lyrics come easy and fast and have experience writing top line for electronic and hip hop beats. My songs have been licensed for TV and film and most recently a national ad for Bed Bath and Beyond.

Mixing, mastering, sound design, and music composition/production for visual media—I bring music to life. As part of the audio engineering team at Sony Music, I’ve worked with major labels, producers, and A&Rs, specializing in stereo & immersive mixing/mastering, post-production, and commercial music—delivering industry-quality sound.

Electronic Pop Producer & Versatile Mix/Master Engineer for singers. Delivering loud, punchy mixes hitting -5 LUFS, across Pop, EDM, and Trap. Years of experience from Trance to Jazz. Achieving clean, punchy, and loud mixes that can hit -5 LUFS and beyond while maintaining clarity and dynamics.