Mixing & Mastering Engineers, Producers & Songwriters who worked with Heartscore
I'm a singer with a versatile and wide ranged voice. I sing clean and sometimes with distorsion if needed. I'm a professional singing teacher with several years of experience both live and studio. My top genres for my voice are hard rock, heavy metal and power metal, but I also love singing pop, soul, funky, R&B. My vocal range is G2-B5.
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"Over the years, I have worked with artists and bands from all over the world as a producer, sound engineer, and musician. Under my leadership have been released a huge number of songs and albums . I do mixing, mastering and writing arrangements. In my works, I prefer to creating a synthesis between live, dynamic music and powerful modern sound”
I have 20 years plus experience Producing electronic Dance Music of many Genres. Hip Hop Beat making expert... Professional Mastering Engineer of the highest of the highs in level! Note my underground famous 'Samadhi' Track which is one of the finest pieces of balanced, thumping and yet smooth, ecstatic; blissful and thunderous Club 4/4 beats ever!
Hire me as a professional guitarist with 20+ years experience for your project. I love challenging tasks and unusual styles. I've been playing pop, blues, rock, rnb, jazz and classic guitar for years. With lots of happy clients I managed to work with several big musicians and a major label Universal Music. I will listen and understand your needs
I am a professional guitar player with years of experience recording for different projects all over the world as a session musician and producer and mixing engineer. I love providing my tones for all kinds of genres and finding the way to add a new flavour to your music! Click the ´Contact´ button above and let´s talk about your project!
Skilled Mix and Mastering Engineer, Producer and Rapper with 20+ years experience working on innovative and ground-breaking projects from a variety of artists. Credits include: EL-P (Run the Jewels), Nine Inch Nails, Local Natives, Portugal.The Man, Aesop Rock, billy woods, Cannibal Ox, Quelle Chris, Guilty Simpson, Mike Ladd, Matthew Shipp.
Session Drummer (Live/Studio Performance)
Poetic singer-songwriter blending Mediterranean roots & cinematic soul. Available for unique vocals, lyrics, and artistic collaborations rooted in world music and storytelling.
Grammy-level producer & engineer with 15+ years of experience credits include Major Lazer, Diplo, Barong Family, Afro Bros, GTA, and more. My tracks have been featured on Netflix and have amassed millions of streams. I specialize in elevating your sound to the highest standard across genres.
Recent Successes
"Eric is great to work with. He is super prompt in responding to emails, and gets the work done quickly. He worked patiently with me to get the sound I wanted and until I was sastisfied with the outcome. He is a real p..."
"Prompt, professional, and patient. Sefi is pleasure to work with. He listens to the customer and delivers accordingly. Finally found the mastering engineer I've long searched for."
"I was very satisfied with Paul. He is very trustworthy. I will work with him again!"
"Kain was an absolute delight to work with. He was professional, and was able to get the masters back to me very quick. Due to my neurotic nature, I had a few tweaks I wanted to make (due to my unbalanced mixes more ..."
"Eric is an outstanding person to work with. DO NOT HESITATE TO GO WITH HIM. He will give you an affordable rate and work his butt off until you get the mix that you truly want. I could not have finished my EP without ..."
"I worked with François Michaud at Wild Horse Studio and i liked a lot. I needed a woman singer for one song. He attended me fast, arranged the professional and recorded with high quality. I recommend! "
"Eric was an absolute pleasure to work with! I had a quickly approaching deadline and he delivered faster than I ever could have imagined. I'm 100% happy with the work he did mastering my song, and will be returning to..."
"Matty was recommended to me and it was the best thing getting in touch with him. He has rare qualities - an amazing musican, producer, sound engineer, intuitive, responsive, interpretative and understanding. I cannot ..."
"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..."
"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..."
"Music has to be mixed and mastered by a professional engineer. Sefi Carmel should be your engineer of choice, no matter what your genre is. He took extra good care of my song "When A Man Loves Another" Listen for y..."
"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..."









