Sebastien "Nineworld" Plassais

Artist & Rec/Mix Engineer

1 Review
Sebastien "Nineworld" Plassais on SoundBetter

With more than 10 years of experience as a sound engineer and music producer in major recording studios in NYC, i got to work with top notch artists and learned to craft master pieces. (The Game, Nipsey Hussle, Busta Rhymes, Pitbull, Jim Jones and many others). As an artist myself I have a full vision on all aspects of the creative process !

Sebastien Plassais aka "Nine" is a mixer and engineer who has worked with many artists and top line audio engineers in the industry :
Jaheim, Ludacris, The Game, Ryan Leslie, The Postelles, Jim Jones, The Beatnuts, Busta Rhymes, Trey Songz, Krishnar Lewis, Rubben Studdard, Don Omar, Keri Hilson, Jaicko, Kristinia Debarge, Clyde Stubblefield & Fred Thomas (The JB’s), Grand puba, Pitbull, Nina sky, Swizz Beatz, The Marleys. and others.

Mentored by Top Line Audio Engineers in the industry:
Paul Scemama (Serge Gainsbourg), Philipe Zdar (Cassius/Pharell Wiliams), You can ask "Giz"(Jaheim), Stan Wallace (Luther Vandross), Stuart White (Beyoncé/Jay-Z/Timbaland), Robert "LB" Dorsey (The Roots), Angel “Onhel” Aponte (lil Wayne), Rande Johnson (Busta Rhymes), James "Bonzaï"Caruso (Marley family), Miki Tsutsumi (Alicia Keys) etc.

Nine. started his career as an intern in Paris' Plus XXX studio, finished his audio school program and decided to moved to New York.
He entered the infamous Quad Studios NYC as an assistant first and quickly moved up to recording and mixing engineer for many artists, producers, songwriters, recording labels, post production companies and High Tech companies. Now working remotely from Paris but open to international projects.

I'd love to hear about your project. Click the 'Contact' button above to get in touch.


AllMusic verified credits for Sebastien Plassais
  • Jaheim
  • Jaheim
  • Plies
  • Plies

1 Reviews

Endorse Sebastien "Nineworld" Plassais
  1. Review by Michael Manitshana
    check_circleVerified (Client)

    Sebastien is very talented artist and I have had a pleasurable experience mixing his work. All files organized properly, very sensible and concise feed back when dong changes which helps a lot. Looking forward to the next project with Sebastien.

Interview with Sebastien "Nineworld" Plassais

  1. Q: Can you share one music production tip?

  2. A: Duplicate your sample track. filter the low end on your first track and keep it as your main part. Now on the second track of your sample, you can now do the opposite and cut off all the top so you can only keep the bass part of your sample. (Now adjust to taste along composition) or try to solo the bass sample track to make a special effect during your song.

  3. Q: Which artist would you like to work with and why?

  4. A: Dr. Dre and Bruce Swedien because of they mastery at making timeless records that shaped the sonic of the music I grew up on.

  5. Q: What type of music do you usually work on?

  6. A: Hip Hop, Pop, Rock, Electronic, Soul, Reggae,

  7. Q: What's your strongest skill?

  8. A: I know how to use my tools to technically translate someone's idea into a record.

  9. Q: What do you bring to a song?

  10. A: I bring life to the client's vision.

  11. Q: What's your typical work process?

  12. A: Conversation with client about the project and its direction, files sent over internet. Mixing and send files back to producers, labels and or artists.

  13. Q: Tell us about your studio setup.

  14. A: Univeral Audio Interface and plugins, Yamaha & Avantone monitors, Beyer Dynamic, AKG, Telefunken, Blue microphones

  15. Q: What other musicians or music production professionals inspire you?

  16. A: Kendrick Lamar, Dr. Dre, Timbaland, Pharrell Williams, Imagine Dragons, Jay-Z, Beyoncé and many others

  17. Q: Describe the most common type of work you do for your clients.

  18. A: recording, mixing, editing,


GenresSounds Like
  • Kendrick Lamar
  • Post Malone
  • Jorja Smith
Gear Highlights
  • Pro Tools
  • Universal Audio Interface
  • Logic Pro X
  • Warm Audio
  • Blue Audio
  • Neve
  • Telefunken
  • Native Instruments Maschine
  • Omnisphere
  • Yamaha NS10
  • Samples banks
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