Hot Chocolate- You Sexy Thing (original)

Many of those fertile periods for music occurred in England. These could be due to the close relationship with America and the shared language, like the English Invasion, or it could be due to the increasing diversity in England itself, like this song and others like it. 

Then there was the case of Germany in the 1970s. I don't think that anyone has come up with an explanation for that yet. Cosmic rays or something.