Jowa Music
- Composition and production of chilling tunes by composer Gianni Latrofa.
- http://www.jowamusic.com/home.html

Jackson, Corey A
- Information regarding the film composer. Includes biography, credits and audio samples.
- http://www.coreyajackson.com/

Jacobs, Jeremiah
- Website of the composer for film, television and video games.
- http://jeremiahjacobs.com/

Jinglemakers
- Provides professional, music based, advertising packages, for radio, television and the web, for businesses of all sizes.
- http://www.jinglemakers.com/

Judd, Garry
- Writes music for film, television and commercial release.
- http://artcorp.co.uk/garry_judd/

Jags Music
- Australian songwriting company for bands and solo artists. Over 200 original and unpublished songs available in a variety of styles.
- http://www.jagsmusic.com/

Jimmy Jewell
- Musical Director, Composer, and arranger.
- http://www.jimmyjewell.net

Jupiter Studios
- Custom studio based music composition for film and TV. Site includes credits, rates and audio clips.
- http://www.jupiterstudios.net

Jane Lane Products
- Creative composition from an organically creative lifestyle. Holiday and surprise recording breaks in the countryside for budding artists.
- http://www.janelane.co.uk

JKS Music
- JKS Music offers creative marching band arrangements as well as original marching band shows. JKS Music also offers original musical composition for film scoring and wind ensemble.
- http://www.jksmusic.com

Julian Scott
- Original music and soundtrack composition for cinema, television and special projects. Web portal for The Soundwaves Project.
- http://www.julianscott.com

JAG Music
- Features the composer and songwriter Jerry A. Greene. Audio samples included.
- http://www.jagmmp.com/