Barbara Strozzi was a notable member of the Accademia degli Unisoni, primarily recognized for her performances as a singer. While she played a significant role in discussions, her main contribution was her singing rather than presiding or judging. Therefore, the best choice is that she performed as a singer. ;
Barbara Strozzi was a celebrated singer and composer in the 17th century, most known for her performances with the Accademia degli Unisoni. While she participated actively in discussions, her main role was as a singer. Thus, the correct answer is C: she performed as a singer.
;