Hibiki can be a combination of above ten malts and grains that includes Yamazaki, Hakushu, and Chita all aged in 5 kinds of cask. The non-age assertion Japanese Harmony was introduced in 2015, following the discontinuation on the twelve 12 months aged as being the entry level on the core https://whiskeyeditions.com/product/hibiki-japanese-harmony-ryusui-hyakka-limited-edition-2021/