AN angry Rowley Regis dad punched his 21-year-old son for turning his music down before trying to bite and headbutt him, a court heard.
Glenn Rock, who had separated from his wife, had been playing loud music after being allowed to stay at the family home, Hugh O'Brien-Quinn, prosecuting, said Zachariah Rock turned the volume down on the stereo system but was pushed by his father who grabbed him by the throat.
The 50-year-old punched his son several times and threatened to kill him after picking up a steak knife from a drawer in the kitchen.
Mr O'Brien-Quinn told Wolverhampton Crown Court Rock moved to put the knife near his son's neck before trying to bite and headbutt him.
But he lost his balance and fell to the floor and Zachariah grabbed the knife from his father, sustaining a small cut to his hand.
Rock, of Limes Avenue, who has a criminal record dating back to the late 1970s, admitted assault causing actual bodily harm.
He was jailed for a year, plus a further six months for being in breach of a suspended prison sentence.
Jas Mann, defending, said Rock was "thoroughly ashamed of himself”.