Mixing & Mastering Engineers, Producers & Songwriters who worked with Lock Up
Producer and mix engineer operating out of my own rural and well equipped Pro Tools based studio in the heart of the Suffolk countryside. Working primarily in the rock, metal and alternative genres I have worked with internationally recognised artists and known record companies as well as performing as a musician for many years all over the world.
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Grammy Nominated Drummer
PhD-level sound engineer mixing & mastering your music to perfection.
Hi I’m Mark Gregory Carrero a guitarist, multi-instrumentalist and music producer winner of a Latin Grammy 2016 in best album of the year with Niña Pastori.I’ve got 25 years of experience playing in more than 30 countries from USA (Madison Square Garden) to Russia with artists such as Raphael, Franco de Vita, Ricardo Montaner, José Luis Rodríguez
I’m a rapper from New Orleans who has worked with artists like Hot Boy Turk & Neno Calvin. I have built many relationships with big influencers in the rap industry.
Hey! I'm a self taught musician / audio engineer - I've been writing, recording, and producing all my own music for over 8 years
High Quality Mastering
I play very well almost everything (but horns!)- for 38 years I've overdubbed many kinds of creative arrangements from full orchestral re-creations with real acoustic instruments to soundscapes with real ethnic acoustic instruments from the World. I play well all guitars, basses, cello, viola, violin, keys, perc, flutes, harp, drums and voice.
Welcome! I've been an Audio Engineer and Pro Guitarist for 18 years. I am a graduate from the Conservatory of Recording Arts and Sciences, AZ. After graduating, I interned and worked as an Audio Engineer in Nashville and for the past 9 years I have worked as the Audio Engineer & Guitarist for a Church in St. Louis.
Recent Successes
"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."
"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..."
"Dan did a stellar job. actually did more than i had expected him to. awesome."
"Repeat client.. Did a great job once again.. "
"Many thanks to Eric! It was very easy to communicate, despite my terrible english. I got exactly what I wanted. Very fast, very easy, very neat, very professional. I'd be happy to contact him again. A true master, sur..."
"Matt is phenomenal. How a drummer this pristine with performances so exquisite can be so humble and easy to work... now that is a mystery for the ages. Eric Greedy said it above. Matt is simply as good as it gets. ..."
"A great musician!! %100 recommended!! :D"
"I've worked with several mix engineers but Sefi really stands out from the crowd and... will make your music better too!"
"No word to qualify Maestro Mike Makowsky, Your are just wonderful. Thank you so much for the Great Mix you did with you beat heart for me. GORGEOUS GORGEOUS BROTHER. I will back as soon as possible. GOD BLESS "
"Totally satisfied working with Alexander...very profesional creative individual...."
"Robert is an amazing mixer. He pays attention to details and listens to suggestions. He was extremely patient and dealt with the project in a professional manner. It was a pleasure working with him and I hope our path..."
"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!"












