ISWC · Musical Work

T-900166595-8

PERFECTION (KOISHII & HUSH MIX)

45 recordings

Last verified: February 15, 2026

T-900166595-8 is the International Standard Musical Work Code (ISWC) for the musical composition "PERFECTION (KOISHII & HUSH MIX)". ISWCs are ISO 15707 identifiers managed by CISAC; they identify the underlying song — its melody, lyrics, and arrangement — rather than any single recording. One composition can have many recordings (ISRCs). This work has 45 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

900166595Work number

8Check digit

Prefix:: "T" = musical work; "W" = work in progress.
Work number:: 9-digit unique work number assigned by CISAC.
Check digit:: ISO 7064 Mod 11-2 check digit that validates the rest of the code.

Credit Chain

ISRC45 recordings

ISWCPERFECTION (KOISHII & HUSH MIX)

Previously known as

T-001606854-4T-931143121-7

SourcesCISAC

Verified on

CISAC ISWC registry search

Identifier Graph

What is ISWC T-900166595-8?

T-900166595-8 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition "PERFECTION (KOISHII & HUSH MIX)". ISWCs are defined by ISO 15707 and managed by CISAC. Unlike ISRCs which identify recordings, an ISWC identifies the underlying song — the melody, lyrics, and arrangement.

This work has 45 recordings (ISRCs) associated with it. Each recording represents a distinct version — such as the original, a remix, a live performance, or a cover — that shares the same underlying composition.

T-900166595-8

Format

Previously known as

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What is ISWC T-900166595-8?

T-900166595-8

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Recordings (45)

Verified on

People also ask

What is ISWC T-900166595-8?

Recordings (45)