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

"With over 10 years of experience in mixing and mastering, I’ll give your track the professional polish it needs to stand out."

A small studio with vintage equipment and a well trained engineer

GMP Mixing is run by George Marquez, a mixing and mastering engineer currently working in Philadelphia. George has worked in two Studio's located in the city learning tracking and mixing under different engineers. He is always dedicated in making your track into a record.

I provide a service to you in exchange for money. That makes you my boss. I will often have input and am comfortable to appropriately speak my mind, but whatever you want is what you get!

At Mad Sound Productions, we bring your vision to life with pro-level vocal production, mixing, mastering, and custom beats. We take a tailored approach to your needs-whether you're a solo artist finishing a single or a band recording a full-length album. We have the resources and expertise to help you achieve your goals.

Producer with +13 years of experience. Studied music production, piano and trumpet and developed his knowledge with some personal and friends projects. Since 2021 is giving his musical services to everyone.

Tired of boring mixes? Need another creative ear to get that professional sound? I will transform your ideas and demos into a professionally mixed and mastered song to your liking.

Music Producer, Songwriter, Vocals, Audio Editor

"Transform your music into a sonic masterpiece! As a skilled audio engineer, I bring precision and creativity to every mix. Elevate your sound with professional expertise. Let's collaborate and make your music shine!