claim: Musala is 2,525 meters.
evidence: Adriana Ferrarese del Bene -LRB- born c. 1755 in Ferrara - died after 1804 in Venice -RRB- was an Italian operatic soprano .. Ferrara. Ferrara. Venice. Venice. Italian. Italy. soprano. soprano. She was one of the first performers of Susanna in Mozart 's Le Nozze di Figaro and the first performer of Fiordiligi in Cosi fan tutte .. Mozart. Mozart. Le Nozze di Figaro. Le Nozze di Figaro. Cosi fan tutte. Cosi fan tutte. She has been known under a variety of names .. The 1979 edition of the Concise Oxford Dictionary of Opera lists her as born Adriana Gabrieli and later known La Ferrarese -LRB- presumably from the city of her birth -RRB- .. However , Grove Dictionary of Music and Musicians notes that her identification with a Francesca Gabrielli , `` detta la Ferrarese '' -LRB- `` called la Ferrarese '' -RRB- , whom Charles Burney heard in Venice in 1770 is not based on solid evidence .. Venice. Venice. Grove Dictionary of Music and Musicians. Grove Dictionary of Music and Musicians. Charles Burney. Charles Burney. What is known is that she married Luigi del Bene in 1782 and performed thereafter as Adriana Ferrarese -LRB- or Ferraresi -RRB- del Bene .. Adriana Ferrarese del Bene studied in Venice and performed in London before arriving in Vienna , where she made her reputation singing serious roles in opera buffa .. Venice. Venice. opera. opera. opera buffa. opera buffa. The publication Rapport von Wien reported , `` She has in addition to an unbelievable high register a striking low register and connoisseurs of music claim that in living memory no such voice has sounded within Vienna 's walls . ''