HotSauce – composition (2), arrangement (2), keyboard (2), drum programming (2), computer programming (2) Kim, No-eul (December 18, 2021). " "한국의 기개" 오마이걸X스트레이키즈, 전무후무 문화재 퍼포먼스 [KBS 가요대축제②]"["Korea's Spirit" Oh My Girl X Stray Kids, Unprecedented Cultural Asset Performance]. Xportsnews (in Korean) . Retrieved December 19, 2021. Stray Kids (August 23, 2021). Stray Kids "Thunderous" M/V (video). JYP Entertainment. Archived from the original on August 23, 2021 . Retrieved September 1, 2021– via V Live.

Yang, Yu-jin (September 8, 2021). " '쇼챔피언' 스트레이 키즈, 2주 연속 1위…"스테이 덕분" [종합]"['Show Champion' Stray Kids, 2 Consecutive Weeks Win…"Thanks to STAY" [General]]. Mydaily (in Korean) . Retrieved September 8, 2021. Lee, Duk-haeng (August 21, 2021). "스트레이 키즈, '소리꾼' MV 티저 추가 공개…역동적 퍼포먼스 예고"[Stray Kids Released Additional 'Thunderous' MV Teaser…Dynamic Performance Preview]. StarNews (in Korean) . Retrieved August 21, 2021.Jeong, Jee-won (August 19, 2021). " '킹덤' 우승 스키즈, Mnet 리얼 버라이어티 '버디캐처' 공개"['Kingdom' Winner SKZ, Mnet Real Variety 'Buddy Catcher' Unveil]. Joynews24 (in Korean) . Retrieved December 14, 2021. Versachoi – composition (1, 3, 11, 13), arrangement (1, 3, 10, 11, 13), instrumentation (1, 3, 10, 11, 13) Stray Kids uploaded the video "Step Out 2021", which describes the group's accomplishments in 2020 and plans for 2021—including a second studio album—.through their social media channels on January 1, 2021. [1] Between April and June of that year, the group participated in the Mnet competitive reality television show Kingdom: Legendary War, in which they competed against other similar groups and emerged as the winner. [2] During the program, they released the song " Wolfgang" on May 28, from the extended play (EP) Kingdom , [3] as part of the final performance competition. [4] This was followed by the single " Mixtape: Oh" on June 26 and the announcement Hyunjin would rejoin the group in July following a hiatus since late February. [5] [6]

NOEASY". August 23, 2021. Archived from the original on August 23, 2021 . Retrieved August 23, 2021– via Apple Music. Ahn, Byung-gil (August 16, 2021). " '킹덤' 왕좌 스트레이 키즈, KINGDOMWEEK 설명서"['Kingdom' Winner Stray Kids, Kingdom Week Direction]. Sport Kyunghyang (in Korean) . Retrieved December 14, 2021. Martin, Annie (September 8, 2021). "Stray Kids perform in 'Sorry, I Love You' live music video". UPI . Retrieved September 9, 2021.a b c Lee, Duk-haeng (August 8, 2021). "스트레이 키즈, 'Gone Away' 티저 영상 공개…싱그러운 청춘美"[Stray Kids, 'Gone Away' Teaser Video Release … A Beauty of Fresh Youth]. StarNews (in Korean) . Retrieved August 8, 2021. a b "Album Top 40 slágerlista – 2021. 38. hét" (in Hungarian). MAHASZ. Retrieved September 30, 2021. Frances, Lai (September 24, 2021). "Stray Kids Are Breaking Records, Breaking Eardrums and Breaking Limits (INTERVIEW)". PopCrush . Retrieved September 24, 2021. Cage, Matthew (September 10, 2021). "Stray Kids Hit Their Haters With Cheese's New MV". Somag News . Retrieved September 11, 2021. Seok, Jae-hyun (August 23, 2021). " '킹덤위크', 스트레이키즈 신곡 '소리꾼' 무대 최초 공개"['Kingdom Week', Stray Kids New Song 'Thunderous' Debut Performance Unveil]. Single List (in Korean) . Retrieved December 14, 2021.