The upgrades at North America’s longest-running outdoor music festival will take place in phases over the next few years.

Formed in 1969, Earth, Wind & Fire — EWF — has sold more than 90 million albums across the globe. The group was inducted into the Rock and Roll Hall of Fame in 2000.

A Kentucky city is investing millions in a new outdoor music venue. Find out which companies are involved and how the project aims to preserve the local environment.