Sigrid Arnoldson is believed by critics to have been the successor to what famous opera singer who was often known as the "Swedish Nightingale"?
Sigrid Arnoldson:  Possessing a fine coloratura soprano voice with a range of three octaves, music critics believed she was Jenny Lind's successor and dubbed her "the new Swedish Nightingale". Jenny Lind: Johanna Maria Lind (6 October 18202 November 1887), better known as Jenny Lind, was a Swedish opera singer, often known as the "Swedish Nightingale".
Jenny Lind