... ▁ev oking ▁un anim ous ▁pla ud its ". ▁ ▁Cov ent ▁Garden : ▁ ▁G oun od ' s ▁Fa ust , ▁April ▁ 7 , ▁ 1 8 9 1 : ▁" de but ... ▁immediate ▁and ▁very ▁great ▁success ... ▁middle ▁notes ▁of ▁the ▁voice , ▁which ▁have ▁a ▁peculiar ly ▁beautiful ▁quality ... ▁approaching ▁the ▁tim bre ▁of ▁the ▁mez zo - s op rano ... ▁the ▁organ ▁as ▁a ▁whole , ▁though ▁exceed ingly ▁sweet , ▁is ▁not ▁very ▁powerful , ▁but ▁the ▁singer ' s ▁method ▁leaves ▁nothing ▁to ▁desire , ▁and ▁her ▁execution ▁of ▁brilliant ▁pass ages ▁is ▁neat ▁and ▁accurate ... ▁[ and ▁although ] ▁no ▁very ▁striking ▁amount ▁of ▁trag ic ▁power ... ▁char ming ▁and ▁sin cer ely ▁art istic ". ▁ ▁Wagner ' s ▁L ohen gr in , ▁April ▁ 1 1 , ▁ 1 8 9 1 : ▁"[ as ▁El sa ] ▁a ▁good ▁deal ▁of ▁success ... ▁very ▁great ▁charm ▁of ▁her ▁voice ". ▁Indeed , ▁Hat ton ▁was ▁to ▁claim ▁in ▁ 1 9 3 1 ▁that ▁" The ▁supre me ▁person ality ▁is ▁the ▁one ▁who ▁can ▁mon opol ise ▁a ▁part ▁without ▁any ▁change ▁ever ▁being ▁called ▁for ▁or ▁desired ▁-- ▁such ▁as ▁... ▁Emma ▁E ames ▁as ▁El sa ". ▁ ▁Mass en et ' s ▁Wer ther , ▁ 1 8 9 4 : ▁" M me . ▁Emma ▁E ames ▁s ings ▁and ▁acts ▁most ▁char ming ly ▁as ▁Charlotte ▁...