Mixing & Mastering Engineers, Producers & Songwriters who worked with Nathan Barr

Marsh Mastering is a top-tier, no compromises audio boutique with an outstanding global reputation specializing in custom audio mastering for today's Vinyl and Streaming formats while supporting all digital and analog legacy mastering formats.

Ready to show your music to the world?

I’m a songwriter, vocal producer, and audio engineer with over a decade of experience shaping emotionally resonant records across R&B, pop, and hip-hop. My work has been featured in film, major editorial outlets, and has surpassed 1M+ streams across platforms. I specialize in turning ideas into polished, release-ready records—whether you need a top

Working together with the producer or artist is always my point to make come to life the real truth about the project.

I will record a pop or opera vocal and deliver it to you.

Cuban Artist, Producer, and Songwriter based in Miami, Florida. I write songs, Produce, Mix, and Master for different artists with more than 10 years of Music experience. I will take any project to the next level no matter where they are I will put effort to make it sound high-quality and different. Always happy to help dreamers like me.

Audio Engineer & Producer

I'm open-minded free thinker and I'm ready to work I'm up for challenges and I love meeting and connecting with new people.

I’m a songwriter with 20+ years of experience turning real stories into timeless songs. My style blends old-school soul and R&B (think Boyz II Men, The Temptations) with the TRL-era influences I grew up on (Usher, Nelly, B2K, Ne-Yo) and modern vibes inspired by artists like SZA, Kehlani, and Kiana Ledé.