 The album features a five song @-@ medley , which in an interview with Billboard magazine , McCartney said that it was previously " something I wanted to revisit " as " nobody had been doing that for a while . " The medley was a group of intentionally written material , whereas McCartney had worked on the Beatles ' Abbey Road which , however , was actually made up of " bits we had knocking around . " The medley starts off with " Vintage Clothes " , which McCartney " sat down one day " to write , that was " looking back , [ and ] looking back . " , about life . It was followed by the bass @-@ led " That Was Me " , which is about his " school days and teachers " , the medley , as McCartney stated , then " progressed from there . " The next songs are " Feet in the Clouds " , about the inactivity while one is growing up , and " House of Wax " , about the life of being a celebrity . The final song in medley , " The End of the End " , was written at McCartney 's <unk> Avenue home while playing on his father , Jim 's , piano . 
