He writes that it's the first time he's added such a track.
( He ( ( writes ( that ( it ( 's ( ( the ( first time ) ) ( he ( 's ( added ( such ( a track ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBZ writes) (SBAR (IN that) (S (NP (PRP it)) (VP (VBZ 's) (NP (NP (DT the) (JJ first) (NN time)) (SBAR (S (NP (PRP he)) (VP (VBZ 's) (VP (VBN added) (NP (PDT such) (DT a) (NN track))))))))))) (. .)))
The track has become very popular.
( ( The track ) ( ( has ( become ( very popular ) ) ) . ) )
(ROOT (S (NP (DT The) (NN track)) (VP (VBZ has) (VP (VBN become) (S (ADJP (RB very) (JJ popular))))) (. .)))