I attended a Salesforce conference 10 or 15 years ago or so, and Metallica was performing at the actual conference. Marc Benioff mentioned in the keynote that

I attended a Salesforce conference 10 or 15 years ago or so, and Metallica was performing at the actual conference. Marc Benioff mentioned in the keynote that he lived down the street from Kirk Hammett and that's how he got Metallica to perform at the conference - I think the guy just has so much money he can spend it on rubbing elbows with celebrities he thinks are cool.