Mixing & Mastering Engineers, Producers & Songwriters who worked with Slo Marr

Are your song's guitars just not hitting as hard as you want them to? Whether it is pop, reggaeton, rap, or indie; guitars are an essential part of any production nowadays. With 10+ years of experience both as a live guitarist and a session musician in both the Latin and US markets, I will make your guitars sound as good as you imagine!

My name is Mark Caldwell and I have been a bass player, engineer and producer for over 20 years. I got my start in South Florida, but now I live in Music City: Nashville, Tennessee. I can't wait to get to know you and create something great together

Hey! I'm a french passionate musician. I've got some experience collaborating with electronic music producers all over the world (South America, Germany, Poland, France,..). Get in touch!

Wether you need a producer to help find your sound, or an engineer to help you hone in the one you've already discovered, I would love to work with you to create the record you always dreamed of.

Seeking the vibe since '94✨

With years of experience and a passion for music, I am committed to bringing creativity and expertise to your tracks. I will work closely with you to ensure that your vision for the song is realized. When you partner with me, you can expect a high level of professionalism and attention to detail.

I'm a pro singer/songwriter with more than 20 years of experience, both studio and live. I worked as a vocalist on dozens of different projects in different genres including folk, pop, and rock, both as lead and background singer.

I play in Arctic Monkeys, Sparks and founded Mini Mansions (Capitol Record) alongside writing with artists like Lana Del Rey and composing scores for TV and Film including two upcoming Duplass Brothers films. I currently have a publishing deal with BMG and produce mostly from my home studio.

Mixing, mastering, composing, sound design, multi-instrumentalist with 25+ years of studio experience. I’ve worked on 200+ albums, films, games, theatre shows, audio books, and museum installations. I combine musicality, emotion, and technical precision to bring every project to its full potential. If you want someone who truly feels the music.