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The rapper claimed that he wants people to be able to return to his American Gangster LP and hear things they didn't notice the first time.
He told MTV: " [The hidden references are] really for the people who like to listen like that [closely], first. And it's [also] for people to catch later.
"You know how sometimes someone says a line and you can guess the second one, where they're going? You can't guess it or can't see it [with me] - it just comes out of nowhere.
"And you might not get it ever. Or you might get it five years later."
The hip-hop star's latest album is the soundtrack to Ridley Scott's American Gangster film, which is currently topping the UK box office.
