In 2004, instead of the usual smaller summer shuffle units, all 46 then current members of the Hello! Project, were formed into one huge group: H.P. All Stars.
The following is a list of members, ordered by group they were part of at the time:
Morning Musume: Kaori Iida, Mari Yaguchi, Rika Ishikawa, Hitomi Yoshizawa, Ai Takahashi, Asami Konno, Makoto Ogawa, Risa Niigaki, Miki Fujimoto, Eri Kamei, Sayumi Michishige and Reina Tanaka.
Melon Kinenbi: Hitomi Saito, Megumi Murata, Masae Otani and Ayumi Shibata.
Coconuts Musume: Ayaka Kimura.
Country Musume: Asami (Kimura), Mai Satoda and Miuna (Saito).
Berryz Koubou: Saki Shimizu, Momoko Tsugunaga, Chinami Tokunaga, Maasa Sudou, Miyabi Natsuyaki, Yurina Kumai, Risako Sugaya and Maiha Ishimura.
Hello! Project Kids: Maimi Yajima, Erika Umeda, Megumi Murakami, Saki Nakajima, Airi Suzuki, Chisato Okai and Mai Hagiwara.
W: Nozomi Tsuji and Ai Kago.
Biyuuden: Erika Miyoshi and Yui Okada.
Solo artists: Yuko Nakazawa, Natsumi Abe, Kei Yasuda, Maki Goto, Atsuko Inaba, Yuki Maeda and Aya Matsuura.
In "ALL FOR ONE & ONE FOR ALL", members sing in order of their seniority as a member of Hello! Project. .