Born in Berlin, Germany to a Japanese mother, Toako Ohtsuki, a piano teacher and a Swedish father, Fritz Gösta Georgii-Hemming (1910–1986), an architect and cartoonist educated at the Bauhaus.
[3] His father, Fritz Georgii-Hemming (1886–1959), was a lawyer (including at the Svea Court of Appeal) and civil servant, appointed a knight of the Order of Vasa.
Shortly after her family had settled at Shibuya the relationship of Hemming's parents deteriorated into domestic violence ending in a divorce.
She graduated from the Tokyo National University of Fine Arts and Music and began her professional career immediately.
In June 2009, Domo Records released five titles from her catalogue in the United States, including "Echoes Of Eternity"; "La Campanella"; "Nocturnes Of Melancholy", Live At Carnegie Hall and Liszt's "Piano Concerto No.1".