['music', 'allow', 'they', 'EmptyParameter', 'EmptyParameter'] ['they', 'track', 'alien', 'EmptyParameter', 'EmptyParameter']
["Synset('sensation.n.01')", 'allow-64.1-1', '<PRP>', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'chase-51.6', "Synset('entrant.n.03')", 'EmptyParameter', 'EmptyParameter']
The off-key notes are actually a warp signature embedded within the music, which allows them to track the aliens.
the off-key Synset('document.n.03') are actually a Synset('cord.n.01') Synset('paper.n.01') embedded within the music, which allows <PRP> to track the Synset('entrant.n.03').