Mixing & Mastering Engineers, Producers & Songwriters who worked with Lee Jeffries & Matt Early

Zenith Mastering AKA A Sides - London based music producer with over 30 years experience specialising in mixing and mastering dance music using the finest hybrid analogue technology.

My name is Ruben Castro , I am a Los Angeles based Mixing Engineer and I want to help you get the sound you've always wanted. I've assisted engineered sessions with artists like Khalid, Zara Larsson, Maria Isabel. Credits include : Idris Elba, Zara Larsson, Robot 95, The Midnight, Near x Far, NCS, PopSockets.

I bring life to your mixes, creativity to the sound, and energy in the song.

I’m here to take you as an artist to the next level! I’m a producer, songwriter and session musician born into the music scene. Let’s make some anthems together!

For 20 years I have learned my own tricks and tricks for creating, arranging, mixing and mastering music.I also like making audiologos and advertising music, the more exciting part is also making music for filmmusic.I have collaborated with hundreds of artists from Europe.I was very inspired by Jimmy Douglass in florida whom I also worked for.

I recently released my self written songs in Spotify and I would love to offer them to you!

No fuss - Committed to your project until the very end! Professional, yet affordable compositions & productions, tailor made for you.

I compose high-quality orchestral compositions and do midi mockups.

I have crossed paths with producers, especially in the field of Urban Genre, which, thank God, have had a good reputation and I consider myself very versatile.