Mixing & Mastering Engineers, Producers & Songwriters who worked with Gabrielle Hartmann
I've mixed & mastered everything from 3 minute pop songs to multi-hour synth noise odysseys. Whether your tunes sound like Beyoncé or Philip Glass I've worked on something similar and will take the time to understand your goal and make your song sound the best it can.
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I'm a singer looking for cool gigs, jam or just join a group of creatives and make some cool stuff.
Professional and affordable mixing for bands and songwriters recordings!
I will find the perfect music for your project
I want to make your songs sound great!
I offer a comprehensive range of audio services designed to meet the diverse needs of my clients: Mixing and Mastering: Achieve a balanced, refined sound that stands out on any platform. Pitch Shifting: Adjust the pitch of your tracks to match your creative intent. Vocal Tuning and Auto-Tune: Perfect your vocal performance with precise tuning and
Owner of Clear Lake & Fever Studios in LA, I’ve spent 20+ years shaping songs that sound bold, unique, and ready for release. I specialize in stereo & Dolby Atmos mixing and full song production—blending legendary analog gear with modern precision to deliver records that hit with attitude and emotion.
I’m a versatile artist offering professional songwriting, recording, and engineering services designed to bring your vision to life. Whether you need a catchy hook, a fully written track, or a polished mix, I combine creativity with technical precision to deliver industry-quality results.
I blend the soul and warmth of classic analog hardware with modern digital precision to make your music stand out globally. 100% legal software, premium UAD processing, and a deep passion for sonic excellence.
Recent Successes
"Great work. Trustworthy fellow!!"
"I have no complaints with what I received from Diamond Groove Services. "
"His price was low and his mixing was good. It is easy to tell that Irving knows what he's doing. Thanks!"
"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..."
"Good to work with and great communication."
"Thank you for the patience and professionalism you exhibited while mixing and mastering my songs...Juan is a great mix-master who put the time and effort in to please his clients...Give him a try, he is excellent..."
"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,..."
"As for me Mike is a genius, once he caught your vibes, he will just enter your soul and make you vibrate with the way he will mix your music. this guy is just wonderful. Just try him and see, you will definitely agre..."
"We have a very good experience with Long Range Mastering. They help us a lot in our sound and our general sound image. They have real understanding of the sound picture and we have a full comfort when collaborate. ..."
"very professional and prompt. the work was really well done."
"Eric is very professional and prompt, responding to emails quickly. His extensive experience in the industry is helpful as well."
"After Eric I won't look for another engineer. His mixes are beautiful and flawless. Not only are his skills exceptional but he is professional, polite, and prompt. Eric is also very willing to offer suggestions and..."
