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  3. USQY51374456
I Am Who Am (Killin’ Time) album cover

I Am Who Am (Killin’ Time)✓2

ISRC

USQY51374456

Song: I AM WHO AM (KILLIN' TIME)

Mac MillerNiki Randa
matched
Released 2013-06-01

Last verified: August 19, 2026

The ISRC for “I Am Who Am (Killin’ Time)” by Mac Miller is USQY51374456. 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. Released 2013-06-01. The underlying musical work is ISWC T-910561399-8. Written by ALEXANDER MATHEW LIPINSKI, NIKI RANDA, MALCOLM JAMES MCCORMICK.

Format

US
Country
QY5Registrant
13Year (2013)
74456Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2013):
Last two digits of the reference year (2013). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCI Am Who Am (Killin’ Time)
ISWCI AM WHO AM (KILLIN' TIME)

Musical Work (ISWC)

T-910561399-8I AM WHO AM (KILLIN' TIME)

People also ask

What is the ISRC for “I Am Who Am (Killin’ Time)” by Mac Miller?+
The ISRC for “I Am Who Am (Killin’ Time)” by Mac Miller is USQY51374456.
What is the ISWC for “I AM WHO AM (KILLIN' TIME)”?+
The ISWC for “I AM WHO AM (KILLIN' TIME)” is T-910561399-8. This recording is titled “I Am Who Am (Killin’ Time)”. The ISRC USQY51374456 identifies this specific recording; the ISWC identifies the underlying musical work shared by all versions.
Who wrote “I AM WHO AM (KILLIN' TIME)”?+
“I AM WHO AM (KILLIN' TIME)” was written by ALEXANDER MATHEW LIPINSKI, NIKI RANDA, MALCOLM JAMES MCCORMICK. The ISWC for this composition is T-910561399-8.
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. USQY51374456 is the ISRC for this recording; T-910561399-8 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 USQY51374456?

USQY51374456 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “I Am Who Am (Killin’ Time)” by Mac Miller, Niki Randa. 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-910561399-8, 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

Who wrote this song?

ALEXANDER MATHEW LIPINSKIComposer
NIKI RANDAComposer
MALCOLM JAMES MCCORMICKComposer
IPI: 00647796782

Identifier Graph

ISRCUSQY51374456ISWCT-910561399-8IPIMALCOLM JAMES M…

MLC Song Code

I96150
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
Mac MillerNiki Randa

The ISRC for “I Am Who Am (Killin’ Time)” by Mac Miller is USQY51374456. 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. Released 2013-06-01. The underlying musical work is ISWC T-910561399-8. Written by ALEXANDER MATHEW LIPINSKI, NIKI RANDA, MALCOLM JAMES MCCORMICK.

Mac Miller, Niki Randa

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