Complex sentence: The song is about the band members presenting the point that Rock'N' Roll will never die, and perhaps to those who keep music from younger people they know, that they are just having fun and aren't trying to hurt anyone.
Split into simpler sentences: The song is about the band members presenting the point that Rock'N' Roll will never die. As well, perhaps saying something to those who keep music from younger people they know, that they are merely having fun and aren't trying to hurt anyone.