Paul Rodgers was joined on stage in Oxford by Robert Plant and Brian Johnson for a rendition of ‘Money’.
U2 performed in Seattle over the weekend, where they were joined on stage by Eddie Vedder and Mumford and Son.
Also in Los Angeles over the weekend, Axl Rose joined Billy Joel on stage for a cover of ‘Highway to Hell’.
https://www.youtube.com/watch?v=ouCAcGQCbA8