Them Crooked Vultures
This is a great article about how Them Crooked Vultures came together as a mixture of Led Zeppelin, Foo Fighters, Queens of the Stone Age.
Jimmy Page and John Paul Jones had tried to find a singer and carry on without Robert Plant, and then Dave Grohl brought John Paul Jones and Josh Homme together under a heavy veil of secrecy. So Jones went on with this project, and the rest is history.