When the remnants of Led Zeppelin got together in 2007 for a one-off performance in London with Jason Bonham on drums in place of his late father John, Jason quit Foreigner because Jimmy Page was hoping that Robert Plant would change his mind about doing more than just the one show.
Not long after that, Page, Bonham and John Paul Jones gathered in a studio and started tossing around ideas, hoping Plant would join them.
Jason Bonham on working with Jimmy Page and John Paul Jones in 2008 following the Led Zeppelin reunion in 2007 in London:
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The three also worked with Myles Kennedy from Alter Bridge and Slash and the Conspirators, but ultimately Page and Jones could not agree on a singer, and that's when the plug was pulled.