In "Il Trovatore" Leonora escapes the clutches of a count by drinking poison from this piece of jewelry
[DOC] [TLE] Full text of "The standard operas; their plots and their music" [PAR] The coiners, in company with the latter, however, make their escape in the 
disguise ... At this juncture the Count enters in wild excitement over the 
announcement that ...... Several other operas followed, besides some excellent 
pieces of chamber music ......