T o label a release one of the greatest albums of the 21st century is, generally, a hyperbolic accolade. Not in the case of Back to Black .

The bluntly beautiful 11-track masterpiece , with its jangling Sixties melodies, catapulted Amy Winehouse into the mainstream and elevated the 23-year-old to heights of the artists who’d inspired her: Prince began performing “Love Is a Losing Game” on stage. Ronnie Spector covered the album’s title track live alongside The Ronettes’ hits. It was the bestselling album of the year – and won Amy five Grammy awards in one night . “I am so proud of this album,” she responded, quietly shell-shocked after her historic sweep.…