"Rolling in the Deep" opened Adele's second album and immediately signaled a heavier, more soul-and-blues-inflected direction than her earlier folk-pop material — a shift credited largely to a single key production and writing partnership formed specifically for that record.
A stripped-down, live-feeling production
Unlike the layered, multi-producer approach common in pop at the time, the track's credits stay unusually compact — reflecting a production choice to keep the arrangement close to a live band feel rather than building it up digitally.
A generational chart run
The song went on to top charts across multiple continents and became one of the defining singles of its decade, later cited repeatedly as a turning point for blues and soul influence returning to mainstream pop radio.
What the credits reveal
Sometimes the smallest credit list produces the biggest, most enduring hit — a reminder that scale of production and scale of impact aren't the same thing.
The full writing and production history for the album is on IMUDB.