Hikari no Senritsu

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"Hikari no Senritsu"
Single by Kalafina
from the album Red Moon
B-side	"sapphire"
Released	January 20, 2010
Genre	J-Pop
Label	SME Records
Songwriter(s)	Yuki Kajiura
Kalafina singles chronology
"Progressive" (2009) "Hikari no Senritsu" (2010) "Kagayaku Sora no Shijima ni wa" (2010)

"Hikari no Senritsu" (光の旋律, Melody of Light) is the 7th single of Japanese girl group Kalafina. The title track is the opening theme to the anime series Sound of the Sky (So Ra No Wo To).