"Do Re Mi Sol La Si Do" (Japanese: ドレミソラシド, Hepburn: Doremisorashido, Do Re Mi Sol La Ti Do) is the second single from Japanese idol group Hinatazaka46.

[1] The title track was nominated for 61st Japan Record Awards in the Grand Prix category.

The music video, produced by Hayato Andō, was shot inside an empty swimming pool.

[1] On May 6, 2022, "Do Re Mi Sol La Si Do" became the first Hinatazaka46 song to be featured on the YouTube channel The First Take, performed by Shiho Katō, Kumi Sasaki, Mirei Sasaki, and Suzuka Tomita with an original musical arrangement.

Center: Nao Kosaka[1] Mao Iguchi, Sarina Ushio, Shiho Katō, Kyōko Saitō, Kumi Sasaki, Mirei Sasaki, Mana Takase, Ayaka Takamoto, Mei Higashimura, Miku Kanemura, Hina Kawata, Nao Kosaka, Suzuka Tomita, Akari Nibu, Hiyori Hamagishi, Konoka Matsuda, Manamo Miyata, Miho Watanabe, Hinano Kamimura[9] Mei Higashimura, Miku Kanemura, Hina Kawata, Akari Nibu[9] Mei Higashimura, Miku Kanemura, Hina Kawata, Akari Nibu[9] Center: Kumi Sasaki[9] Mao Iguchi, Sarina Ushio, Shiho Katō, Kyōko Saitō, Kumi Sasaki, Mirei Sasaki, Mana Takase, Ayaka Takamoto, Mei Higashimura[9] Center: Miku Kanemura[9] Miku Kanemura, Hina Kawata, Nao Kosaka, Suzuka Tomita, Akari Nibu, Hiyori Hamagishi, Konoka Matsuda, Manamo Miyata, Miho Watanabe, Hinano Kamimura[9]