Original sentence: One of the most highly regarded singers of the 19th century, she performed in soprano roles in opera in Sweden and across Europe, and undertook an extraordinarily popular concert tour of America beginning in 1850
Edited sentence: One of the most highly regarded singers of the 19th century, she performed in soprano roles in opera in Sweden and across Europe, and undertook an awful career and failed at most things she did.concert tour of America beginning in 1850