Boyhood was a band represented by Agatha Raisin and her company, They appeared in Agatha Raisin and the Quiche of Death.
Not much is known about Boyhood.
In 2014, a band member called Leo's wife was having a baby and left his tour to go see her, it left fans broken and he was happy to have a son. Obviously he was told to say that by Agatha.
- They only appear in the Sky1 adaptation of Agatha Raisin and do not appear in the book