21 is the second studio album by English singer-songwriter Adele. It was released on 24 January 2011 in Europe by XL Recordings and on 22 February 2011 in North America by Columbia Records. The album was named after the age of the singer during its production. 

Track list:

A1 - Rolling In The Deep - 3:48

A2 - Rumour Has It - 3:43

A3 - Turning Tables - 4:10

A4 - Don't You Remember - 4:03

A5 - Set Fire To The Rain - 4:02

A6 - He Won't Go - 4:38

B1 - Take It All - 3:48

B2 - I'll Be Waiting - 4:02

B3 - One And Only - 5:48

B4 - Lovesong - 5:16

B5 - Someone Like You - 4:45

Companies, etc

Phonographic Copyright ℗ – XL Recordings Ltd.

Copyright © – XL Recordings Ltd.

Published By – Universal - Songs Of Polygram International, Inc.

Published By – EMI Blackwood Music Inc.

Published By – EMI Music Publishing Ltd.

Published By – Write 2 Live

Published By – Kobalt Songs Music Publishing, Inc.

Published By – Chrysalis Music

Published By – Sugar Lake Music

Published By – Chrysalis Songs

Published By – Sony/ATV Songs LLC

Published By – Sony/ATV Music Publishing (UK) Ltd.

Published By – Firehouse Cat Music

Published By – Universal Music-MGB Songs

Recorded At – Shangri-La, Malibu, CA

Recorded At – Eastcote Studios

Recorded At – Sphere Studios

Recorded At – MyAudiotonic Studios

Recorded At – Angel Studios

Recorded At – Serenity Sound

Recorded At – Air Studios

Recorded At – Metropolis Studios

Recorded At – Harmony Studios

Mixed At – Punkerpad West

Mastered At – Sterling Sound

Lacquer Cut At – Optimal Media GmbH

Pressed By – Optimal Media GmbH – BK23298

Credits
Design – Adele (3), Phil Lee (5)
Lacquer Cut By – KR (3)
Mastered By – Tom Coyne
Photography By – Lauren Dukoff
Vocals – Adele (3)

Barcodes and other identifiers
Barcode (Printed): 1 91404 11381 3
Barcode (Scanned): 191404113813
Matrix / Runout (Side A runout, variant 1 etched): XLLP520 XL-1138 A BK23298-01 A1 KR
Matrix / Runout (Side B runout, variant 1 etched): XLLP520 XL-1138-B BK23298-01 B1 KR
Matrix / Runout (Side A runout, variant 2): XLLP520 1I BK23298-01 A1 KR
Matrix / Runout (Side B runout, variant 2): XLLP520 1I BK23298-01 B1 KR