Used as a replacement for any negative tag question, irrespective of person, number, and verb
You like listening to pop music, innit?.
Innit can be used at the end of a statement to make it into a question. It is a way of saying `isn't it'. The record's great, innit?. used at the end of a statement or in reply to a statement, often to emphasize what has just been said (isn't it)