There are at multiple artists that use the name Section 9:
1) An electronic composer from Sweden.
2) A death-metal band from Aberdeen, Scotland.

1) Section 9 a.k.a. Stefan Strand (previously Jönsson) is a composer of electronic music, currently living in Southern Sweden. He releases music under a few different pseudonyms; Sublunar for trance, Monodrive mainly for progressive house, Section 9 for tech-trance/house and Between Interval for ambient & space music. He's also a member of the group Halftone.

His website is at StefanStrand.se.

2) Section 9 is a death metal band from Aberdeen, Scotland formed in 2018. They released their debut EP Sordid Mastication in 2021, becoming inactive after 2022. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.