You can see the whole disruptive dynamic of the band on display here. Other than that, the best part is when Townshend talks about the difference between record buyers and a live audience. His observation is up there with Jean-Paul Sartre when, after a visit to the States in 1946, he explained how the top ten was not a representation of any one’s taste:
. . . if he listens to the radio every Saturday and if he can afford to buy every week's No 1 record, he will end up with the record collection of the Other, that is to say, the collection of no-one