After choosing a “brunettino” character with this profession, a woman exchanges a medallion for his locket in a garden in the aria “Il core vi dono.” An opera begins with two members of this profession making a 100-sequin bet in a coffeehouse. Act 2 of another opera (-5[1])begins with a woman longing for a member of this profession to call her a “tiny little bride, scent of verbena” as she waits for a (*) “wisp of smoke” on the horizon. In an opera whose (10[1])title translates as “So do they all,” two men (-5[1])of this profession dress up as Albanians and seduce their own wives. After one of these people returns with his new wife Kate, the title soprano blindfolds her son Trouble and stabs herself behind a screen. For 10 points, in Madame Butterfly, Cio-Cio-San (“cho-cho-san”) is abandoned by an American of what profession named Pinkerton? (10[1])■END■ (0[3])