금서 도서관 The Forbidden Library is a neutral, mid-energy track by 한의노래 from 입이 봉인된 시인 The Sealed Poet, released October 5, 2025. It runs 3:19 at 92 テンポ (184 テンポ double-time) in A Major (Camelot 11B).

Find the テンポ and music key for any song with our テンポ and キー Finder.