The new drama series 'The Split' airs tonight on BBC One at 9pm. 

'New six part drama written by Abi Morgan. The Split explores marriage and the legacy of divorce through the lens of the Defoes, a family of female lawyers at the heart of London's emotionally-charged divorce circuit.'

Title music composed by Evan Jolly. Incidental music by Isobel Waller-Bridge.

From production companies Sundance TV and Sister Pictures