He began work on Skyward Sword after finishing Phantom Hourglass, and continued working on the game alongside his work on Spirit Tracks. When Spirit Tracks was finished, Fujibayashi and the game's development team transferred back to working on Skyward Sword.
After completing Phantom Hourglass, he began developing Skyward Sword while also working on Spirit Tracks. Once Spirit Tracks was finished, Fujibayashi and the development team returned to work on Skyward Sword.