01 Hair in the Air (Trolls: The Beat Goes On Theme) [Credit] Executive Producer: SM ENTERTAINMENT Co., Ltd. Producer: SOO-MAN LEE Music & Sound Supervisor: Yoo, Young Jin Vocal Directed by Seo MiRae (ButterFly) Rap Directed by JQ Background Vocals by Seo MiRae (ButterFly) / Won Sung Yeon All Instruments by Jin-Suk Choi Recorded by Eu-Gene Kwon @ doobdoob Studio Pro tools operating by Seo MiRae (ButterFly) Digital Editing by Seo MiRae (ButterFly) Engineered for Mix by Min-Kyu Lee @ SM Big Shot Studio Mixed by Chul-Soon Kim @ SM Blue Ocean Studio Mastered by Nam-Woo Kwon @ 821 Sound Mastering Original Title: Hair in the Air Original Writers: Jeannie Lurie / Mia Minichiello / Matias Mora Original Publishers: DWA Television Music / Songs of DWA Television Sub-Publisher: Universal Music Publishing Korea 02 Best Day Ever [Credit] Executive Producer: SM ENTERTAINMENT Co., Ltd. Producer: SOO-MAN LEE Music & Sound Supervisor: Yoo, Young Jin Vocal Directed by DK Choo Background Vocals by Onestar / HAECHAN / CHENLE / JISUNG Guitar Performed by Dongmin Kim Recorded by Ji-Hong Lee @ SM LVYIN Studio Pro tools operating by DK Choo Digital Editing by DK Choo @ MonoTree Studio Engineered for Mix by Min-Kyu Lee @ SM Big Shot Studio Mixed by Jin Namkoong @ SM Concert Hall Studio Mastered by Nam-Woo Kwon @ 821 Sound Mastering Original Title: Best Day Ever Original Writers: Alana Da Fonseca / Jordan Yaeger Original Publishers: Songs of DWA Television / DWA Television Music Sub-Publisher: Universal Music Publishing Korea