Stargazer (EP)
Stargazer is an extended play marketed as the second single of Japanese boy band JO1, formed through the reality competition show Produce 101 Japan. It also served as the second single for their first studio album The Star. The EP single includes six songs primarily from the house, hip-hop, EDM, and trap genres and was released by Lapone Entertainment in three different physical editions and one digital edition on August 26, 2020, with "Oh-Eh-Oh" serving as the lead track.
The single features first contribution by members Sho Yonashiro and Ren Kawashiri on lyrics and choreography, respectively, as well as production by Hui from South Korean boy group Pentagon among others. It ranked first on the Oricon Singles Chart and was certified Platinum by the Recording Industry Association of Japan, while "Oh-Eh-Oh" peaked at number one on the Billboard Japan Hot 100.
Background and release
Following their debut single Protostar and performance at KCON:TACT, JO1 announced the release of their second single, Stargazer, on August 26, 2020. The cover images were released on July 7, with the members dressed in school uniforms, encapsulating the single's concept: "A message from JO1 of the same generation as teenagers in distress. The teenagers who grow up amid fears and hesitations and eventually meet their 'shining self' one day." Meanwhile, the cover image of the limited edition B shows the members as adults, dressed in Louis Vuitton's 2020 pre-fall collection, Arc of Boyhood.Stargazer consists of six songs and were released in three physical editions, with "Oh-Eh-Oh" serving as the lead track. The first edition is a limited CD and DVD bundle that contains a making-of video for "Oh-Eh-Oh", a variety segment with members titled JO1 School and the group's version of the song "Kungchikita" that was performed on Produce 101 Japan. The second edition is a limited CD and photo booklet bundle. The third edition is a regular CD-only edition. Besides "Oh-Eh-Oh", the song "My Friends", written by leader Yonashiro, is included in all editions. Meanwhile, a special edition with all the songs was made available for digital download and streaming.
To support the single, performance videos for "Go" and "So What" were also released. On the release day, JO1 held special live streaming events consecutively on the group's YouTube and TikTok accounts.
Conception and recording
In an interview, members Yonashiro and Ruki Shiroiwa told Tokyo FM radio program Tokyo Speakeasy that they had to take lessons and record the single remotely due to the COVID-19 pandemic. They received half to one hour daily vocal and rap lessons from their trainers in South Korea by singing into their smartphones. They also learned the choreography by watching videos their trainers had sent them. During the recording, the Korean production team guided them over the phone with the help of an interpreter.Yonashiro revealed that he had decided to write the lyrics for "My Friends" and consulted with their production team during the recording of Protostar in South Korea. He explained, "I wrote it with gratitude to the people I met at the audition, my members, and fans." Fellow member Kawashiri choreographed the song.
Lead track
The lead track, "Oh-Eh-Oh", combines EDM, house music, and vocals, to portray the determination to push into the future, creating an overpowering sense of exhilaration. The song was first performed on the Fuji TV prime-time music program Hey!Hey!Neo! Music Champ on August 1, and the mention of Hui from the South Korean boy group Pentagon in the song credits drew the public's attention. His agency, Cube Entertainment, later confirmed his participation in the song's production.The music video was directed by the Space Shower Music Awards Best Director Award winner Hidenobu Tanabe and was released on August 26, 2020. It features a fight scene between the members, who played high school students, and a mysterious group, in which Kawashiri playing two roles.
"Oh-Eh-Oh" reached number one on Billboard Japan Hot 100 and thirty-three on the Top Download Songs chart. It eventually ranked eighty-second on the Hot 100 Year-End chart. The song was used as the ending song for ABC TV's shows Sonna Koto Kangaetakoto Nakatta Quiz! Torinikku-tte Nanno Niku!? and Yasutomo no Itatte Shinken Desu as well as Kansai TV's Chacha Ire Monday in September. It was also used as the theme song for ABC-Mart x Nike's digital campaign for Nike Court Vision.