The deal will finally allow listeners in India to enjoy Warner Music's catalog.
The media giant and Country Music trade association have pledged $10m and $1m, respectively.
After signing the paperwork back in December, the €3bn deal for a 10% stake has now closed.
The former politician will officially take up the role in April, with plans to first tackle the COVID-19 fallout.
Sales were down 29% the week ending March 19 - the lowest in US history.
The deal is expected to closed in the second quarter of 2020.
Revenue from film music, which makes up 80% of IMI members revenue, has come to a halt.
The African streaming giant has seen a recent increase in streaming and subscription activity.