The Mysterious Class: Perbedaan antara revisi

Soundtrack untuk The Mysterious Class terdiri dari skor musik yang disusun oleh Baek Jong-sung dkk. dan dua lagu tema yang dibawakan oleh Treasure dan dirilis pada 15 Februari 2022 melalui versi CD dari mini album perdana mereka, [[The Second Step: Chapter One]].<ref>{{Cite web|date=2022-02-02|title=YG LIFE – TREASURE – ‘THE SECOND STEP : CHAPTER ONE’ TRACKLIST POSTER|url=http://archive.ph/EkNoq|website=archive.ph|access-date=2022-03-10|archive-date=2022-02-02|archive-url=https://archive.today/20220202172550/https://yg-life.com/archives/172655?lang=ko|dead-url=no}}</ref>{{Track listing|headline=''The Second Step: Chapter One'' {{nobold|– CD only}}|extra_column=Arrangement|title5=BFF|note5=Best Friend Forever|lyrics5={{hlist|Choi Hyun-suk|MGNTK|Q}}|music5={{hlist|Q|Choi Hyun-suk|MGNTK}}|extra5={{hlist|Q|MGNTK}}|length5=|title6=Gonna Be Fine|lyrics6=Edle|music6={{hlist|Q|Modo}}|extra6={{hlist|Q|MGNTK}}|length6=|total_length=}}Versi Natal "BFF (Best Friends Forever)" dirilis lebih awal pada 24 Desember 2021 melalui akun media sosial resmi mereka.<ref>{{Cite web|title=Treasure releases Christmas version of its song featured on 'The Mysterious Class'|url=https://koreajoongangdaily.joins.com/2021/12/24/entertainment/kpop/Treasure-The-Mysterious-Class-soundtrack/20211224152615657.html|website=koreajoongangdaily.joins.com|language=en|access-date=2022-03-10}}</ref><ref>{{Cite web|last=m.rpm9.com|date=2021-12-24|title=트레저, '남고괴담' OST 크리스마스 버전 공개…최현석 작곡 참여|url=http://m.rpm9.com/news/article.html?id=20211224090010|website=RPM9.com - 자동차 매거진|language=ko|access-date=2022-03-10}}</ref>