Detective Conan • S01E11 : A Moonlight Sonata Murder Case (one hour special)
Kogorou gets called to investigate a matter on an island by a man called Asou Keiji but it turns out he died over a decade ago in a fire in his house. He could be heard playing his piano during the fire. They find the piano is still kept in the town hall and that it is said to be cursed after some mysterious deaths. Soon after the new candidate for the Chief of the island is found dead slumped on the piano with the piano still playing but this turns out to be just a tape recording. Conan and the rest stakeout with the piano to make sure nothing else happens. More murders follow.