The Barrell Private ReleaseBourbon series isan exercise in micro-blending and variations on a theme. A variety of bourbons spread across 4 different ages were selected and blended into 48 different recipes.Each blend number has its own ratios, printed on the label and is constructed in its own ex-bourbon barrel. With each release, a new set of base bourbons will be selected, so every recipe is only made once.

C89i has a component age statement of 25% 5 year 50% 7 year 20% 10 year and 5% 17 year bourbons. It shows a pronounced chocolaty and chalky, Indiana Bourbon influence.