I can't tell if that's a condescending smirk or a pained grimace. Either way, this is totally how Green Day and Blink 182 will be remembered: not as the bands who turned punk into pop, but who were punk. Sorry, 1977!
An alcoholic father routinely dumped angry messages in his son's voicemail, until his son took his words and set them over some beats and piano lines. The resulting track is incredibly dark, but a fascinating way of dealing with your problems.
Song is loaded with language that might be too strong and imagery that might be too graphic for some.
Although if my kid was sitting in an office chair in the middle of the room singing sporadically to himself without any music playing (I don't see any headphones!) I'd probably contact the neighborhood exorcist STAT.