Unicorn Heads is a music production studio providing stock, library, background and thematic music for film, commercials, online video, podcasts, webisodes and television.

Modern composition is mood music - evocative, stirring, emotional. Unicorn Heads provides music that enhances the listener’s mood and aural environment.

Connor O’Sullivan is an accomplished music producer with over a decade of professional experience in the audio post production industry drawing from a diverse musical background producing Americana, rock, indie-rock, country, folk, dance, electronica, post-rock, IDM, ambient and orchestral music.

Connor is also a professional bass player for the San Francisco-based band Midnight North, and produces eclectic electronic music under the moniker Croonn. Aside from playing and producing music Connor runs the boutique record label, Trazmick Recordings.

Connor graduated from Indiana University, where he studied science and music. Before entering the music industry full-time, he worked in marketing as a web developer for Apple and Charles Schwab.


  • Music for Film
  • Library Music
  • Stock Music
  • Theme Music Composition
  • Sound Design & Synthesis
  • Mixing
  • Mastering
  • Ableton Live 9 Suite
  • Pro Tools 11
  • Logic Pro X



  • YouTube Audio Library
  • Lean Startup Co.
  • PentaVision Communications
  • Sweaty Baby Podcast
  • Nuesie
  • Midnight North




We'll be in touch.