Mixing & Mastering Engineers, Producers & Songwriters who worked with Hellfire Society
Not your average engineer. Located in Los Angeles, California, David Gnozzi, platinum mix engineer, producer, and host of the Youtube Channel MixbusTv is considered one of the most technically savvy modern mixing engineers, available for full productions, vocal production, mix and mastering. Rock, metal, industrial, pop, hip-hop, electronic music
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Our mission is to offer our clients quality recordings, fast editing and good sounding mixes at a fair price
Songwriter & Record Producer with global credits - featured alongside Joell Ortiz, Prince EA, Agatha & more, I have 15+ years of experience turning ideas into songs that stick. From catchy hooks to full records, I help artists find their sound and bring it to life.
I'm a recording, mixing engineer, producer, music scoring mixer, sound designer with over 20 years of experience.
Silky, uplifting yet melancholic and powerful! I carry a big passion for EDM. My speciality is writing catchy yet unique top lines for genres like dance pop, bass, deep house and more. With more than 10 years of experience in songwriting, singing and producing the quality of work that I deliver is exceptionally high.
Producer with a young, exhilarating sound and a wise, global perspective on the approach of creating music.
As a lyricist and producer, I’m skilled in capturing the subject matter of your vision and concept and drafting a piece of work to fit your needs. Experienced in working with producers and singers to create synergy, I’m a native of Dayton, Ohio, a place rich in timeless music. Professional and punctual, I love creating win-win situations.
Versatile musician with experience in studio recordings, live performances, and audio post-production. Specializing in: Trombone for recording sessions (genres: jazz, classical, soundtracks). Professional digitization and editing of sheet music for musical and educational projects. Podcast editing and mixing with a focus on narrative clarity.
Crafting urban melodies and soundscapes is my expertise. I specialize in trap, punk, and reggaeton, turning visions into music that soars. Let's team up and take your music to new heights!
Recent Successes
"I have no complaints with what I received from Diamond Groove Services. "
"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.. "
"Mike is simply great! He easily understood every small detail we had in our vision for the song, made our sound solid and saved us from the infinite revisions nightmare by just getting it right with every step of the ..."
"Tom is a very skilled engineer who delivers professional and creative work. He managed to complete work as per requirements in a very short time with excellent results. Great communication also. Highly recommended!"
"It was a great pleasure working with Mr. Victorino. I am happy with the work that he did with two of my songs I highly recommend for all you song writers out there give this talented producer A call . You will be glad..."
"Great job. Ricardo went all the way to make sure we were 100% satisfied. The end results is great!"
"Andrew works quickly and communicates well to finish your job. He sent over test masters quickly and even gave me a couple of different ones, which went a long way in my decision to hire him. He did an excellent job,..."
"Eric is very professional and prompt, responding to emails quickly. His extensive experience in the industry is helpful as well."
"Firstly I have to say this " He is really loves his job and he really insightful to person who working together" This was my first job with professionals and I am so happy for worked with RC RECORDS PRODUCCION MUSI..."
"Just great! Great vocals, great communication, great timing, great understanding of all requests, great turnaround timing, great knowledge. Nothing else needed. Just perfect. Thank you so much, you made my track much ..."
"Online Guitar Tracks, i.e. Lars, is a great guy to work with. Fast turnaround, dedicated, involved, very flexible, uncomplicated. Nice, clean, melodic guitar work. Not to mention that his price is a steal. Just booked..."
"Good to work with and great communication."












