Mixing & Mastering Engineers, Producers & Songwriters who worked with Franc Castillejos
If you want straight grooves turned around same day, I got you! Need 4 tonal choices with 3 groove options on 4 different kits? From minimal mics to the kitchen sink, I’m your dude!
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More providers:
Need a little twang in your life? With over 20 years of experience, and a state-of-the-art recording studio, I can't wait to make your vision come alive!
I'm a musician from Argentina with lots of study and degrees in music and probably the most organized and proffesional person you'll ever know. I like to learn in the process and see good results at the end of the work. I'm all for the good feel of the music made and get the work done in time. Make your music sound great, search me on Spotify!
I sing & cover songs. I’m more of a urban artist I love r&b and soul music.
I have years of experience mixing and producing music. I know how to take your rough mix or song idea all the way to perfection.
All around song writer with strengths that include R&B, Pop, Country, Hip-Hop. Reached Top 16 In T-Pain's March Music Madness 2025 out of over 1400 contestants. Thrives with storytelling and continuity in music.
High End Mixing and Mastering Service. Record Production (studio available). Credits include Incognito, Chaka Khan, Keane, Marina and the Diamonds, One Direction, Everything Everything, Ashley Henry, STR4TA, Mario Biondi, Hotei, Gianna Nannini, Honne...
Professional Composer and Guitarist. I create orchestral music, scores, arrangements and high-quality guitar tracks for your songs
Session Guitarist & Bassist specialised in Rock & Metal living in Spain. Working with: Cobra Spell.
Recent Successes
"Robin is a highly gifted and professional mix engineer. He has a great ability to identify the strengths of each song, creating sonic landscapes of bright and rich tones. His comprehensive studio background illuminate..."
"Very Good Engineer, Professional, On-time and willing to go the extra mile !"
"I got a great mix from David. He knows how to make your song have a great sound and quality. You should try his services, you won't regret. "
"Good team, good job."
"Absolutely amazing singer, total pro, vocals recorded perfectly and quickly. Total gent too!"
"Andrew has a ear for music and sounds.. I am super picky with my art/music.. he made the track sound better than I could imagine.. I will 100% work with Andrew again.. "
"Very impressed with the level of professionalism and the priority on turning out great results that guarantee client satisfaction. Very pleasant to work with, friendly and attentive! Would certainly work with Alex Mor..."
"Natalie Major delivered recorded vocals, as promised, within the time frame that she said she would. Fantastic voice, excellent recording quality, and an extremely reasonable price. I'm looking forward to working with..."
"Paul is very professional, prompt, and is very easy to work with. He took the time to ask specific questions about what we needed, and made it work. Above all, the quality of his musicianship was excellent, and adde..."
"The care and thoughtfulness of Blush's work is evidenced by the passion in her performance. Her melodic choices, harmonies, ad libs and vocal arrangements are otherworldly. She is easily one of, if not THE most, talen..."
"This is the great job made by Sefi on my new song WALKING DEAD: https://www.youtube.com/watch?v=ojAWZdkO2bE You know what? I will have remix some of my previous songs too... he's so good!!! "
"If you are looking for professional MIX and MASTERING Koen Heldens will do it the best. "









