21
Quick Summary
21 is the second studio album by English singer-songwriter Adele, released in 2011. The album was a commercial and critical success, featuring a more diverse range of styles than her previous work, 19.
Key songs from 21 include:
* "Rolling in the Deep": A gospel- and disco-influenced track that reached number one in multiple countries.
* "Someone like You": An affecting breakup ballad that also achieved widespread success.
Despite Adele needing to cancel tour dates due to a vocal-cord ailment, 21 became the best-selling album of the year in both the United States and the United Kingdom. It sold over 20 million copies worldwide by mid-2012 and is credited with helping to revive the recording industry. The album earned Adele six Grammy Awards, including Album of the Year, Record of the Year, and Song of the Year for "Rolling in the Deep".12
Ask Britannica AI about this topic
Britannica doesn't have a full article on this topic, so we've curated a list of our relevant coverage.

