Sinéad O'Connor's legacy

Irish singer and activist Sinéad O'Connor died last week at the age of 56. She was best known for her 1990 single Nothing Compares 2 U, a song that thrust her unwillingly into the mainstream and brought worldwide fame - something she was never at ease with. Dr Adam Behr Senior Lecturer in Popular and Contemporary Music, Newcastle University, and he joins Nights to talk about the singer's legacy.