Here's the earlier (?) black-and-white sound-stage version, with a nice harmonica solo at the end:
And a more recent TV version, in which Celentano's hair has considerably receded, and there is some discussion (in Italian) afterwards:
Sasha Frere-Jones ("Stop making sense", The New Yorker, 4/29/2008) suggests: "[M]ore classroom settings for pop stars to parse their own material, please. An hour a month would be enough."