Takayuki Sano, known as samfree, was born on 9 September 1984 in Niigata, Japan,
and worked as a music producer specializing in Vocaloid composition. He first
gained attention with the 2008 single "Luka Luka Night Fever" on
Nico Nico Douga, which amassed over 1.7 million views within a year. His debut
album Daybreak (2008) was followed by Missing (2008), Story (2009), Crime
(2010), and Fever (2012). He produced anime theme songs for titles such as Wish
Upon the Pleiades and Katanagatari, and his tracks appeared in the Hatsune Miku:
Project DIVA series and Taiko no Tatsujin games....