That is rather short-sighted and arrogant of Gene Simons. While I agree with his overall message, he is totally wrong about iconic bands and the music industry. Things are changing. It is a Götterdämmerung. When thing the process is complete, things will be different. But there were always be a music industry because music is eternal.
Slight tangent: Music will be present in heaven. We will use it to praise the Lord. We should now be becoming skilled musicians.