Mixing & Mastering Engineers, Producers & Songwriters who worked with Matrix4

I've spent the last 20 years producing music and working as sound engineer for some of the most respected professionals and artists in the music and soundtrack business. I'm always looking for new exciting collaborations.

Hi all! I'm here to make your project stand out amongst the crowd. Prices are affordable and the quality is very competitive.

I'm live engineer over 30 years and studio recorder/mixer over 20 years, my specialty is acoustic music, classical, folk and celtic music, but I worked in the past in several styles, from Heavy Metal, Rock, Pop and Rap. I'm a certificated "Nuendo Pro Operator". I won a award "best sound technician" on the "Spain Music Awards" (Joaquin Sabina)

I've spent the last 20 years producing music and working as sound engineer for some of the most respected professionals and artists in the music and soundtrack business. I'm always looking for new exciting collaborations.

Guitarist and Songwriter at heart. Having learnt the ropes out on in the road in bands, supporting acts such as Kasabian and Craig David. Been recording and producing music for many years.

Ben carrillo is an artist, composer and creative director marked by the desire to transcend in time. based in los Angeles, California. Since its beginnings he is known for working with producers like Sky, Mosty, Ovy on the drums, Dayme y el High, Alcover and many more.

Avery Leatherwood is a specialized film composer crafting immersive soundscapes that fuse orchestral writing with contemporary and experimental sound design to serve story and emotion.

Your music deserves to sound polished, powerful, and competitive—not “almost there.” I specialize in mixing and mastering that translates everywhere: streaming platforms, cars, clubs, and headphones. Whether you’re an independent artist or an established creative, my goal is simple: bring your vision to life without overprocessing.

Session drummer specializing in Latin Rock and hybrid drums for alternative and electronic music. I deliver powerful, organic grooves recorded remotely from my studio in Germany, always focused on feel, precision and serving the song.