Jay-Z's 'Magna Carta Holy Grail' track about his daughter, 'Jay-Z Blue (Daddy Dearest),' wasn't just inspired by Blue Ivy. It was also inspired by his own father ... or lack thereof.

Of course, Blue is his first muse -- and Beyonce, of course. In a new video featuring producer Rick Rubin, Hov explains how being a father has changed his outlook not just on music, but also on life and on himself.

"It's something that we both created ... we still marvel at her," he gushed over his little girl with Bey. "It's most obvious on a song called 'Jay-Z Blue,'" he explained. "It deals with my pop left when I was young, so he didn't teach me how to be a man nor how to raise a child or treat a woman."

Jay gets choked up slightly but chuckles, "So of course, with my karma, the two things I needed I don't have and I have a daughter," he said. So the final message of 'Jay-Z Blue (Daddy Dearest)' isn't just a love song to his baby girl, but also something slightly darker: "It's the paranoia of not being a great dad."

As for 'Heaven,' Hov explains, "For me, my idea of Heaven is in your daughter's laughter; Hell could be if your child is missing for three minutes -- you're in three minutes of hell. It's just not my belief that a just God would make you burn for eternity for [the] free will that he gave you."

Relax, Jigga. We think you're doing a great job. Maybe because King Bey wouldn't dare settle for anything less than that!

Watch Jay-Z Talk About 'Heaven'

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