"It's only rock and roll, my god! It's not rocket science"

The quote suggests that rock and roll music is not a facility or challenging point to understand or appreciate, and need to not be taken also seriously or with excessive importance. It is a kind of home entertainment that must be taken pleasure in without overthinking or evaluating it way too much. The comparison to brain surgery highlights the concept that rock and roll is a simple as well as straightforward point in contrast to a highly complicated and also technical area.