FLASH BACK/Umetora



Flash Back is a song sung by Miku Hatsune, Rin Kagamine, IA Akasaka, Luka Megurine, and Gumi Megpoid. It is the one-hundred-and-thirty-eighth track in Other Vocaloid Songs 6, the one-hundred-and-forty-sixth track in Other Vocaloid Songs 8: Mostly Luka, the one-hundred-and-thirty-fifth track in Other Vocaloid Songs 10: Luka And Rin, the eightieth track in Other Vocaloid Songs 13: Greatest Hits Of Gumi, and the seventy-second track in Other Vocaloid Songs 17: Greatest Hits Of Miku.