High Quality Content by WIKIPEDIA articles! "Sailing Free" is the eleventh single by Olivia Lufkin, a singer of American and Okinawan descent, released on April 15, 2009. It is her first single in more than two years, with her previous single being released in late 2006. "Sailing Free" is a collaboration single with Inoran, guitarist of Luna Sea and the theme song to a new game exclusive to the PSP of the video game saga Sengoku Basara (or in English, Devil Kings), titled Sengoku Basara Battle Heroes.