This song probably doresn't fit the vast majority of the interpretations of the Crouch father-son relationship but it does so mine. Please read my comment first for more details on this video.
My vision of teenage Barty Jr. before he became a death eater and during it before he got caught. Actor Jamie Bell portrays him. There isn't much footage of Jamie's character in the film, so this isn't too rich in action. This is very old vid.