Mixing & Mastering Engineers, Producers & Songwriters who worked with Ostboys
Hi guys, you need relaxed, soulful vocals, comparable to James Blake, Hozier or Jason Mraz? Then I could be your guy;-) I sing in English and German.
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+3 billion streams. Guaranteed satisfaction and quality with effective communication + fast turnaround. Mixed tracks for #1 Billboard album + Oscar Winning Disney's Soundtrack. Credits with: Carlos Vives, Rubén Blades, Alejandro Sanz, Camilo, Fito Paez. Specialized in modern Pop, Latin Urban and Alternative Music. Hit me up and let's get started!
Singer-songwriter, guitar player and music producer. British Blues Award Nominee 2011, Simon has been a full-time musician for nearly 50 years. He is hugely experienced in production and recording, specialising in vintage techniques and along with his wife, runs one a super funky, analog recording studio based in Foz do Arelho, Portugal.
Hi, My name is Nige. I am a keyboard player, programmer, MD, arranger, producer, engineer and have my own home studio.
If you need high-quality electric guitar recordings, I'm your guy! Over 14 years of experience, have worked with hundreds of musicians and producers worldwide, specializing in Rock, Metal, EDM, and Pop.
Hi! My name is Kiirstin Marilyn, and I am an Altpop singer-songwriter signed to Spectra Music Group. You can find my latest EP "Ghosts" on iTunes & Apple Music. Besides my own songs, I have collaborated with many hip-hop artists - writing hooks is my specialty. I have a background in classical singing as well as musical theater, jazz, and rock.
Tailor made for this shit, you niggas ain't cut for it You wouldn't do it if you weren't getting a cut from it Put my niggas on, now the studio's star-studded You better respect it even if you choose to not love it
Mixing & Mastering Engineer
Hi, I'm Christine! I'm a singer-songwriter and pianist known for my raw, vulnerable performances. I'm originally from California but I've been based in Berlin for the past decade. My vocals and piano parts are at home in tender ballads, dark alternative music, and moody cinematic atmospheres. I put my heart into every project! <3
Recent Successes
"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..."
"Absolutely amazing singer, total pro, vocals recorded perfectly and quickly. Total gent too!"
"Easy to work with, polite, and caught the vision of my record. This is the second engineer that I could say, knows what he is doing. God willing I will be sending him more records to mix and master for future projects."
"I have no complaints with what I received from Diamond Groove Services. "
"Thank you Denis.The tracks sound excellent.Looking forward to work on more projects."
"great professional, great person, a pleasant surprise! He brought out the best from my music and did it in a short time. I recommend him!"
"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..."
"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..."
"I worked with Leo once. I admit the first task I gave him wasn't a small one. Especially with my budget. He did the job wonderfully. I went back to him for my album and the man did it again. He is persistent, pat..."
"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 "
"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 ..."
"Candela was great to work with...professional and very talented. I'm looking forward to doing more vocals with her and would definitely recommend working with her."











