According to the post, there is no time-table for Ehart to return to the road with the band. While he recovers, Ehart, who celebrated his 73rd birthday on February 4, will continue to serve as the group's manager, a role he has filled for 40 years.

Aaron Spears, an acclaimed drummer who worked with Usher, Ariana Grande, Chaka Khan, and other artists, died Monday, October 30, at the age of 47, USA Today reports.

Spears' death was announced in a message from his wife, Jessica, posted on his social media sites.