A sizeable portion of our culture has developed some sort of pernicious lassitude that appears to halt their social and emotional development once puberty kicks in, leaving them with deeply-held manifest-destiny convictions such as one's taste in music being commensurate with the volume at which it can be played.
She and her companion eventually left the store in a lowered Blazer whose stereo and bass amplifier were turned up enough to rattle the storm-windows of the store.