Complex sentence: He complimented her performance as "the Tucker gala's most satisfying", and her big and beautiful soprano was not only agreeable to the ear, but also expressed the splendid evenness and the developed emotion.
Split into simpler sentences: He complimented her performance as "the Tucker gala's most satisfying". Her big, beautiful soprano was not only agreeable to the ear, but also expressed the splendid evenness and the developed emotion.