Zero no Chouritsu (ゼロの調律) "The tuning of Zero" is the main theme song for Fatal Frame IV: Mask of the Lunar Eclipse. The song is sung by artist Tsukiko Amano, and before being released with its official name, it was known as "Just Call My Name". "Zero no Chouritsu" was released on July 30, 2008 as a single and was later included in Tsukiko Amano's eighth studio album, ZERO. Amano also performed the song in both Japanese and English, with the English version having noticeably different lyrics from translations of the Japanese version.