Based in Northumbria, in the north-east corner of England, this all-female folk quartet was formed in 2004 by Rachel Unthank (vocals/cello), Becky Unthank (vocals), Belinda O'Hooley (piano/vocals), and Jackie Oates (viola/vocals). The Unthank sisters were raised in a musical household, with their father George having sung with the folk harmony group the Keelers, and from an early age they were to be found clog dancing at festivals. Rachel, the elder by eight years, started off as a solo singer in the late 90s before being joined by her younger sister. When they decided to make...