You can clearly see:

musiche originali Ennio Morricone ; .... ; regia Sergio Giordani
Pubblicazione [S.l.] : Rai, 1971
Descrizione fisica 1 videocassetta (VHS) (ca. 90 min.) : color., son
Dove si trova MI1223 SCMSC Mediateca di Fondazione Scuole Civiche di Milano - Milano - MI

Its English is:

Original music Ennio Morricone......Director Sergio Giordani
Publication [S.l.]: Rai, 1971
Physical description 1 VHS (about 90 minutes): color, son
Where is it MI1223 SCMSC Milan School of Civic Education Foundation Media - Milan - MI

So, I think that the dispute can be over,the TV "Alla scoperta dell'America" was released in 1971!

I hope the Ennio Morricone official website should make a revise as possible as soon!