Robert Stigwood, an Australian-born...

...producer, personal manager and music executive, died at age 81. From his obit in the Times:

In 1966 he became the manager of Cream, the rock supergroup that included Eric Clapton, Jack Bruce and Ginger Baker... 

Okay, I'll admit it: this is just another opportunity to listen to "I Feel Free" -- sue me. Produced by Mr. Stigwood, the music was written by Jack Bruce, who died in 2014. The above video is an interesting live version with an introduction by Mr. Bruce himself. Impatient? Flip to 2:10 to hear the song.