These are artists who are either emerging as leaders in their fields or who have already become well known.
( These ( ( are ( artists ( ( ( who ( ( are either ) ( emerging ( as ( leaders ( in ( their fields ) ) ) ) ) ) ) or ) ( who ( ( have already ) ( become ( well known ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT These)) (VP (VBP are) (NP (NP (NNS artists)) (SBAR (SBAR (WHNP (WP who)) (S (VP (VBP are) (RB either) (VP (VBG emerging) (PP (IN as) (NP (NP (NNS leaders)) (PP (IN in) (NP (PRP$ their) (NNS fields))))))))) (CC or) (SBAR (WHNP (WP who)) (S (VP (VBP have) (ADVP (RB already)) (VP (VBN become) (PP (RB well) (ADJP (VBN known)))))))))) (. .)))
These artists are famous in other fields as well.
( ( These artists ) ( ( ( are ( famous ( in ( other fields ) ) ) ) ( as well ) ) . ) )
(ROOT (S (NP (DT These) (NNS artists)) (VP (VBP are) (ADJP (JJ famous) (PP (IN in) (NP (JJ other) (NNS fields)))) (ADVP (RB as) (RB well))) (. .)))