Hit Parader was an American music magazine that operated between 1942 and 2008. A monthly publication, it was a general popular music title until the 1980s, when its focus turned to the genres of hard rock and heavy metal.<ref name="RBP/HP"> </ref> The magazine reached its peak during the 1980s as heavy metal music achieved high levels of popularity and commercial success.

Can we draw the following conclusion?
Hard rock and heavy metal are not popular anymore.
It's impossible to say