CANNIBAL CORPSE GLASGOW

how do i convince my dad

important info:

me and my dad have gone to loud shows many times, never death metal though so im not sure how he would feel about it, hes quite laid back and chill though

tickets are cheap ish

ill be old enough in september

any advice on getting a more likely yes? hes into, not calm, but calmer stuff like rock, light metal such as metallica, techno, etc

he's made references to death metal and doesnt mind me listening but not sure if hed approve of a concert