01 Hair in the Air (Trolls: The Beat Goes On Theme)[Credit] Executive Producer: SM ENTERTAINMENT Co., Ltd.Producer: SOO-MAN LEEMusic & Sound Supervisor: Yoo, Young JinVocal Directed by Seo MiRae (ButterFly)Rap Directed by JQBackground Vocals by Seo MiRae (ButterFly) / Won Sung YeonAll Instruments by Jin-Suk ChoiRecorded by Eu-Gene Kwon @ doobdoob StudioPro tools operating by Seo MiRae (ButterFly)Digital Editing by Seo MiRae (ButterFly)Engineered for Mix by Min-Kyu Lee @ SM Big Shot StudioMixed by Chul-Soon Kim @ SM Blue Ocean StudioMastered by Nam-Woo Kwon @ 821 Sound MasteringOriginal Title: Hair in the AirOriginal Writers: Jeannie Lurie / Mia Minichiello / Matias MoraOriginal Publishers: DWA Television Music / Songs of DWA TelevisionSub-Publisher: Universal Music Publishing Korea02 Best Day Ever[Credit]Executive Producer: SM ENTERTAINMENT Co., Ltd.Producer: SOO-MAN LEEMusic & Sound Supervisor: Yoo, Young JinVocal Directed by DK ChooBackground Vocals by Onestar / HAECHAN / CHENLE / JISUNGGuitar Performed by Dongmin KimRecorded by Ji-Hong Lee @ SM LVYIN StudioPro tools operating by DK ChooDigital Editing by DK Choo @ MonoTree StudioEngineered for Mix by Min-Kyu Lee @ SM Big Shot StudioMixed by Jin Namkoong @ SM Concert Hall StudioMastered by Nam-Woo Kwon @ 821 Sound MasteringOriginal Title: Best Day EverOriginal Writers: Alana Da Fonseca / Jordan YaegerOriginal Publishers: Songs of DWA Television / DWA Television MusicSub-Publisher: Universal Music Publishing Korea