こころ is a somber, low-energy track by 古川慎 from 朗読喫茶 噺の籠 (伍 蒲団/春琴抄/こころ), released April 7, 2021. It runs 25:17 at 135 テンポ (270 テンポ double-time) in G Major (Camelot 9B).
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