In no particular order:-

Hedy West, Hazel Dickens, Jean Ritchie, Sarah Makem, Brigid Tunney, Elizabeth Cronin, Jane Turiff, Lizzie Higgins, Gordeanna McCullough, Sarah Grey, Alison Mac Morland, Peta Webb, Norma Waterson, Pat Flynn, Rosie Stewart, Norah Ghriallias, Sarah Ghriallais, Tess Bean Uí Conghaile, Maire Áine Ní Donnchadha, Róise Bean Mhic Ghrianna, Valya Balanska, Yanka Rupkina, Cháit Ní Mhuinbheacahin, Belle Stewart, May Bradley, Ola Belle Reed, Sorcha Ní Ghuairim, Memphis Minnie, Bessie Smith, Ma Rainey, Rosetta Tharpe, Vera Hall Ward, Almeda Riddle, Texas Gladden, Nan Tom Taimín a Burcha, Ellen Mitchell, Sarah Anne O'Neill, Carmel Gunning, Bessie Jones, Mabel Hillary, Christine Tyrell, Sandra Kerr, Big Mama Thornton, Sister Ernestine Washington, Lizzie Miles, Victoria Spivey, Oum Kaltsoum, Heather Heywood, Daisy Chapman, Lucy Stewart, Murdina MacDonald, Mayada El Hennawy. Hannah Hutton.

Thinks. "Haven't I written this list out before?"