- Blah BlahPerformed by Kaia, Angela Hermoso, Sophia Mercado, Charice Hermoso, Charlotte Secretario, Alexa AverillaComposed by Oh-won Lee (RealBros), Kim Jae-han, Kim Jun-young (as Paperplanet), Jung Taek-woon (as LEO)Lyrics by Angela Hermoso (KAIA), Sophia Mercado (KAIA), Charice Hermoso (KAIA), Charlotte Secretario (KAIA), Alexa Averilla (KAIA), Oh-won Lee (RealBros)Produced by Oh-won Lee (RealBros)Chorus by Kaia, Lim Ye-seulBass by Oh-won LeeSynthesized by Kim Jun-young (as Paperplanet)Drum by Jung Taek-woon (as LEO)Recording Directed by Oh-won Lee (RealBros)Mixed by Heo Chan-goo at Knob SoundMastered by Heo Chan-goo at Knob Sound
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