| Biography | Zelia Trebelli-Bettini (18381892), also known as Zelia Gilbert or by her stage name Trebelli, was a French opera singer. Mme Trebelli's artistry was greatly admired by George Bernard Shaw, who wrote about her a number of times in his various reviews. In particular, he admired her interpretations and her exemplary English diction, rare for a non-native English speaker. |