After Jay-Z’s candid interviews with New York’s HOT 97 and Power 105 last week, the Roc Nation head honcho crosses the pond to speak with the BBC Radio One’s Zane Lowe. Live from The Beatles’ Abbey Road Studios, Jay discusses his own ever-changing labs for music-making, clicking with Timbaland for Magna Carta Holy Grail, and why Kanye West wanted some of the tracks on Watch The Throne.