Finally, some new old songs from Amy Winehouse . Though they are scant, the previously unreleased offerings on a new multi-disc 20th anniversary edition of her second album, the modern classic Back to Black , are tantalizing. The British singer-songwriter released just two albums in her tragically short life, a remarkably limited run for someone whose fame was global and endures some 15 years after her death. At the time of writing, she has over 23 million monthly listeners on Spotify, a stone’s throw from Prince , whose catalog is several orders of magnitude larger.

In stark contrast to Winehouse’s slim discography, the sheer amount of content she left behind—seemingly daily paparazzi footage in various states of coherence, performances that ranged from the sublime to the disastrous, tabloid items sometimes involving her direct participation, strange YouTubes that intimately conveyed her life’s disrepair—after fewer than five years in the spotlight rivals that of celebrities who stuck around for decades.…