incessant , so-five-minutes-ago pop music 
(ROOT (S (ADJP (JJ incessant)) (, ,) (ADJP (NP (ADVP (RB so) (HYPH -) (CD five)) (HYPH -) (NNS minutes)) (HYPH -) (RB ago)) (NP (NN pop) (NN music))))
(ROOT (S (ADJP (JJ )) (, ) (ADJP (NP (ADVP (RB ) (HYPH ) (CD )) (HYPH ) (NNS )) (HYPH ) (RB )) (NP (NN ) (NN ))))