With Jon Bon Jovi playing the party at this year's VMworld and the Red Hot Chili Peppers highlighting the Dreamforce agenda, CIO.com looks at some of the best (and a few of the worst) musical acts to take the stage at IT conferences.
John Mayer (Blackberry WES 2008)

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Hootie and the Blowfish (AT&T VIP Bash, BlackBerry WES 2008)

“Image by CountryMusicIsLove.com
Dishonorable Mention: Chris Martin (Apple press conference 2010)

“Image by Brian X. Chen, Wired.com