Soundtrack
Ponyo's eponymous theme song, "Gake no Ue no Ponyo," was released ahead of the film on December 5, 2007, performed by Fujioka Fujimaki (a duo consisting of Takaaki Fujioka and Naoya Fujimaki who are known for their underground band Marichans from the 1970s) and eight year old Nozomi Ōhashi. It entered the top 100 on the Oricon Weekly Charts on July 14, then rose to 24th on (July 21), then 6th on (July 28), and after the release of the film it ranked 3rd (August 4). By the end of 2008, it was ranked as the 14th highest selling single on the Oricon Yearly Charts. Ōhashi was also the youngest participant in the 59th NHK Kōhaku Uta Gassen, beating Cute's Mai Hagiwara's record at age 11. Afterward, Ōhashi announced her unit with Fujioka Fujimaki was disbanding.
An English-translated pop version of the theme was recorded by Frankie Jonas and Noah Cyrus, the voices of Sōsuke and Ponyo in the North American dub, to tie in with the film's English release. The theme plays over the second half of the English version's closing credits; the first half is merely a translated version of the theme rather than remix.
The film score of Ponyo was composed by Joe Hisaishi, Miyazaki's regular collaborator. The score album, published on compact disc in Japan by Tokuma Japan Communications, in South Korea by Pony Canyon Korea and throughout Europe by Germany-based label Colosseum, received a great deal of press in the West, including positive reviews from several veteran film music reviewers.
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