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  3. USDJ20110871

ISRC

USDJ20110871

Block Lockdown / Welcome to Atlanta✓2

Song: BLOCK LOCKDOWN

Ludacris
unmatchedNot yet matched in the MLC database
Released 2001-11-27

Last verified: August 31, 2026

USDJ20110871 is the International Standard Recording Code (ISRC) for the recording “Block Lockdown / Welcome to Atlanta” by Ludacris, released 2001-11-27. ISRCs are 12-character ISO 3901 identifiers that uniquely tag a specific sound recording — different masters, remixes, and live versions each receive a distinct ISRC. The underlying musical work is ISWC T-071854930-4.

Format

USCountry
DJ2Registrant
01Year (2001)
10871Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2001):
Last two digits of the reference year (2001). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCBlock Lockdown / Welcome to Atlanta
ISWCBLOCK LOCKDOWN

Musical Work (ISWC)

T-071854930-4BLOCK LOCKDOWN

Unmatched Recording

This recording has not been matched to a musical work in the Mechanical Licensing Collective (MLC) database. Mechanical royalties for unmatched recordings may be held in an unmatched pool until a rights holder claims them. If you own the rights to this work, you can submit a claim through the MLC Portal.

Credits Graph

MLC Song Code

B48274
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

People also ask

What is the ISRC for "Block Lockdown / Welcome to Atlanta" by Ludacris?+
The ISRC for "Block Lockdown / Welcome to Atlanta" by Ludacris is USDJ20110871.
What is an ISRC and what does it tell you?+
An ISRC (International Standard Recording Code) is a 12-character ISO 3901 identifier that uniquely tags a specific sound recording. The first two characters are the country code, the next three are the registrant (label or distributor), the next two are the year, and the last five are a unique recording number.
Is the ISRC the same as the ISWC?+
No. The ISRC identifies a specific recording, while the ISWC identifies the underlying musical composition. USDJ20110871 is the ISRC for this recording; T-071854930-4 is the ISWC for the composition it is a recording of. One composition (ISWC) can have many recordings (ISRCs) — originals, remixes, live versions, and covers each get their own ISRC but share the same ISWC.

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What is ISRC USDJ20110871?

USDJ20110871 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Block Lockdown / Welcome to Atlanta” by Ludacris. ISRCs are 12-character alphanumeric codes defined by ISO 3901, used globally by streaming platforms, record labels, and rights organizations to track plays and distribute royalties.

This recording is linked to the musical work T-071854930-4, which represents the underlying composition. Multiple recordings can share the same musical work — for example, an original version, a remix, and a cover would each have their own ISRC but reference the same ISWC.

Learn more about ISRCs · Powered by Notes.fm

Ludacris

USDJ20110871 is the International Standard Recording Code (ISRC) for the recording “Block Lockdown / Welcome to Atlanta” by Ludacris, released 2001-11-27. ISRCs are 12-character ISO 3901 identifiers that uniquely tag a specific sound recording — different masters, remixes, and live versions each receive a distinct ISRC. The underlying musical work is ISWC T-071854930-4.

Ludacris

Related

Other versions of this workView all on iswc.fm

Block Lockdown

Ludacris, Infamous 2-0

USDJ20010499
Block Lockdown / Welcome to Atlanta

Ludacris, I-20, Jermaine Dupri, Ludacris

USDJ20110937

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