Case Closed: Full Score of Fear

Meitantei Conan: Senritsu no Gakufu (Full Score)• 名探偵コナン 戦慄の楽譜（フルスコア）

Serial murders involving all kinds have happened. All the victims are from a Music School led by a famous pianist. Conan and company have been invited to a opening concert of the Music Hall built by the pianist. The biggest attraction of this concert is the world famous violin called "Stradivarius" and a special appearance of a singer who has perfect pitch.

(Source: Anime News Network)