[1] It was released under the name "Kaoru Amane", the lead character of the series portrayed by Sawajiri,[1] through Sony Music Records on August 30, 2006.

[7] "Taiyō no Uta" debuted at number 2 on the Oricon Singles Chart with 150,000 copies sold, held out of the top spot by GYM's "Fever to Future".

[9] It also marked the first top three entry by a female solo artist credited under the name of a fictional character in just shy of six years, since Miho Kanno debuted at number 3 as Shuka Hasui (蓮井朱夏) with the song "Zoo (Ai o Kudasai)".

[11] It also became the first debut single by an actress to chart in the top three for two consecutive weeks in over sixteen years, since Rie Miyazawa's "Dream Rush" (1989).

[11] On its third week, "Taiyō no Uta" slid back down to number 2, dethroned by Glay's "Natsuoto" / "Hen na Yume (Thousand Dreams)",[12] and became the first debut single by a female solo artist to chart in the top three for three consecutive weeks.