well wonderful that'll be a musician
( ( well wonderful ) ( that ( 'll ( be ( a musician ) ) ) ) )
(ROOT (ADJP (ADJP (RB well) (JJ wonderful)) (SBAR (WHNP (WDT that)) (S (VP (MD 'll) (VP (VB be) (NP (DT a) (NN musician))))))))
That will be a person who plays music. 
( That ( ( will ( be ( ( a person ) ( who ( plays music ) ) ) ) ) . ) )
(ROOT (S (NP (DT That)) (VP (MD will) (VP (VB be) (NP (NP (DT a) (NN person)) (SBAR (WHNP (WP who)) (S (VP (VBZ plays) (NP (NN music)))))))) (. .)))