Hannah Sian Topp (born 1990), known professionally as Aldous Harding, is a New Zealand folk singer-songwriter, based in Cardiff, Wales.Topp comes from a musical family in Lyttelton, New Zealand: her mother is folk singer Lorina Harding. One of the first musicians who came across her was New Zealand folk-pop singer/songwriter Anika Moa. Moa asked Harding to play support for her that night after finding her busking outside the venue she was about to play at.