The series comprises letters, [c. 1950]-1983 containing references to performances of, and material relating to, operas and include letters from Ian Parrott and Arwel Hughes.

A scrapbook relating to the career of Welsh soprano Madame Amy Evans (1884-1983), containing press cuttings and papers, 1910-1923, mostly concerning a tour of Australia and New Zealand in 1920-1921, all pre-dating her move to the USA with husband Fraser Gange in 1923. Also, an envelope containing various letters of correspondence, 'englynion', and additional press cuttings again relating to the pre-USA careers of both Amy Evans and Fraser Gange.