Nagasaki Sound Mastering Studio small logoWelcome to Nagasaki Sound mastering studio. I’m Steve Nagasaki, a mastering engineer with a serious passion for modern, cutting-edge music and great sound.

Nagasaki Sound specializes in rock, metal, punk, and pop. We deliver killer audio mastering and outstanding personal service at affordable rates. Discover what we can do for your music. Let’s Rock! Get Started Now.

Nagasaki Sound is a USA-based online mastering studio serving musicians, producers, and labels worldwide. We rock out complete professional mastering services to discerning clients. We focus on modern genres like metalcore, post hardcore, progressive, electronic, and popcore as well as more traditional metal, rock, punk, and pop. Our mastering services include standard stereo mastering, stem mastering, Mastered For iTunes, DDPi, restoration, repair, and more. We master albums, Eps, singles, and special projects according to industry standards and best practices.  We can handle your project for any destination: vinyl, disc, WAV, iTunes, Youtube, Soundcloud, Beatport, Bandcamp, video, radio, tv, and film.

Quality: We’ve got the gear, the custom studio, and the tested experience to create outstanding masters. But talk is cheap, so check out the sounds from our happy clientele on this website.

Service: Nagasaki Sound delivers complete mastering services to clients worldwide. Easy file transfers, great communication, and fast turnaround meet the needs of the modern musician.

Value: An exceptional service at affordable rates. We run a tight ship with low overhead and pass the savings on to you. Pay for great mastering, not a costly NYC studio space.

Pop Punk Mastering

Watch the short video below from our YouTube Channel, featuring recent pop punk and popcore mastering studio clients.

Metal Mastering

Another short video featuring our metal mastering work, including progressive and metalcore examples.


Try before you buy...

Nagasaki Sound offers a free mastering sample for new clients. Upload your song and we’ll show you how our mastering can improve your music. Serious inquiries only, please.

  • Nagasaki Sound is my first go-to choice in mastering... Steve delivers a great, natural sounding product at an outstanding price and best of all, delivers ON TIME, even with a tight deadline.

    Peter Wohelski, BEATPORT Label Manager
  • Thanks for everything Steve, the masters are sounding HUGE! We really appreciate your technical expertise and working with us to reach our vision. I will definitely be recommending other bands I mix to go to you for the finishing touches!

    JD Keiser, REQUIEM (Mix Engineer)
  • Steve, Just wanted to let you know that the final masters sound excellent, I can't wait to distribute this project now. Thank you so much for your time and great quality work! I look forward to working with you again in the near future.

    Ryan Sanders, TRUE BARS
  • The finished masters sound fantastic and I would recommend any hard rock/metal bands out there looking for a world class job at a great price to contact Steve.

    Jordan Howe, SAINT LUCIFER
  • Steve has become part of my brains trust. He has some of the best ears I have come across and has spared no effort to add his magic to the album.

    Parth Tewari, PARTH
  • Nagasaki Sound are without a doubt the BEST place to get your material mastered. Rates are incredible, quality is second to none, and Steve himself is an absolute pleasure to work with.

    Angus M., ESCAPIST