Her father was George Piper OBE, a civil servant at the London War Office.
[2] After completing her singing studies, she performed in England before becoming an internationally known professional singer in Vienna in 1923.
"[6] Together with her husband, Mayer also devoted herself to promoting young musicians and in 1923 the two founded the "Orchestral Concerts for Children" together.
[6] The first series of concerts were conducted by Adrian Boult and Malcolm Sargent and they were later run by the BBC.
[4] Her biographies included Louise of Savoy,[10] Marie Antoinette, Angelica Kauffman and the violin virtuoso Louis Spohr, among others.