Joss Whedon not only wrote the "Ballad of Serenity", he sang and played guitar on a preliminary version of it to convey his personal take on the theme song.
Released: 2012-11-30
Runtime: 50 minutes
Genre:
Stars: Nathan Fillion, Gina Torres, Alan Tudyk, Morena Baccarin, Adam Baldwin, Jewel Staite, Sean Maher, Summer Glau, Ron Glass