psychedelic devices , special effects and backgrounds , 
(ROOT (NP (NP (JJ psychedelic) (NNS devices)) (, ,) (NP (JJ special) (NNS effects)) (CC and) (NP (NNS backgrounds)) (, ,)))
(ROOT (NP (NP (JJ ) (NNS )) (, ) (NP (JJ ) (NNS )) (CC ) (NP (NNS )) (, )))