invokes the percussion rhythm , the brass soul and the sense of fierce competition that helps make great marching bands half the fun of college football games 
(ROOT (VP (VBZ invokes) (NP (NP (DT the) (NN percussion) (NN rhythm)) (, ,) (NP (DT the) (NN brass) (NN soul)) (CC and) (NP (NP (NP (DT the) (NN sense)) (PP (IN of) (NP (JJ fierce) (NN competition)))) (SBAR (WHNP (WDT that)) (S (VP (VBZ helps) (S (VP (VB make) (S (NP (JJ great) (NN marching) (NNS bands)) (NP (NP (PDT half) (DT the) (NN fun)) (PP (IN of) (NP (NML (NN college) (NN football)) (NNS games))))))))))))))
(ROOT (VP (VBZ ) (NP (NP (DT ) (NN ) (NN )) (, ) (NP (DT ) (NN ) (NN )) (CC ) (NP (NP (NP (DT ) (NN )) (PP (IN ) (NP (JJ ) (NN )))) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (S (VP (VB ) (S (NP (JJ ) (NN ) (NNS )) (NP (NP (PDT ) (DT ) (NN )) (PP (IN ) (NP (NML (NN ) (NN )) (NNS ))))))))))))))