Paul McCartney also produced this , and even sang scratch vocals with Evans on the basic track .
The B - side , Rock of All Ages , co-written by Evans with Pete Ham and Mike Gibbins , features Tom Evans singing lead .
Paul McCartney also produced this , and even sang scratch vocals with Tom Evans on the basic track .
The B - side , Rock of All Ages , co-written by Evans with Pete Ham and Mike Gibbins , features Tom Evans singing lead .