Mixtape: Oh

On June 15, 2021, after succeeding from Kingdom: Legendary War, it was revealed that Stray Kids would release a new song as a digital single in late June as a part of the Mixtape Project, like "Mixtape: Gone Days" and "Mixtape: On Track" according to multiple official music sources. JYP Entertainment confirmed that the group was preparing the song. On June 26 at 00:00 AM (KST), "Mixtape: Oh" was released, alongside the accompanying music video with no prior announcement, which featured all eight members including Hyunjin, who had been on a hiatus from group activities since late February due to bullying accusations and announced he will be resuming the group's activities starting from July. On the same day, the group also released individual concept photos. Later, the song was included on the group's second studio album Noeasy, which was released on August 23. ==Lyrics and composition==

Musically, "Mixtape: Oh" is a mid-tempo contemporary electronic pop written by the group's producer team 3Racha (Bang Chan, Changbin, and Han) and co-composed and arranged by Kobee and Holy M Lyrically, the song describes the honest feelings of a person in love and representing a troubled mind. The title "" (RR: Ae) both means "a child" (in native Korean) and "love" ( in Hanja) in Korean with the double meaning as the theme, it expresses one's feelings of resentment and frustration at oneself for being clumsy and immature in front of the person they love. ==Commercial performance==

In South Korea, "Mixtape: Oh" debuted at number 18 on the Gaon Download Chart, and number 97 on the BGM Chart. In Japan, the song debuted and peaked at number 59 on Billboard Japan Download Songs. In Singapore, the song debuted at number 19 on the RIAS Top Regional Chart. In the United States, the song debuted at number one on Billboard World Digital Song Sales, becoming the first song to reach number one on the chart. ==Music video==

The accompanying music video was premiered surprisingly on JYP Entertainment's YouTube channel on June 26, 2021, the same day as the song's release date. It was directed by Jimmy from VIA Production. The music video features a light blue tone throughout where all members are in a dilemma within themselves and they want to reconcile with each other. ==Live performance==

Stray Kids performed "Mixtape: Oh" for the first time on the Japanese YouTube channel program The First Take on October 29, 2021, making it the first Korean and non-Japanese song to be performed at the program. ==Credits==

Credits adapted from Melon. ;Recording and management • Originally published and sub-published at JYP Publishing (KOMCA) • Recorded and mixed at JYPE Studios • Mastered at 821 Sound Mastering ;Personnel • Stray Kids – primary vocals • Bang Chan (3Racha) – background vocals, lyrics, composition • Changbin (3Racha) – background vocals, lyrics, composition • Han (3Racha) – background vocals, lyrics, composition • Felix – background vocals • Kobee – composition, arrangement, guitar, drum, computer programing • Holy M – composition, arrangement, bass, synthesizer, computer programing • Lee Sang-yeop – recording • Lee Tae-sub – mixing • Kwon Nam-woo – mastering ==Charts==