ISWC · Musical Work

T-306824605-5

LEONARD NATHAN SPEAKS SOFTLY (REPRISE)

Last verified: February 15, 2026

The ISWC for “LEONARD NATHAN SPEAKS SOFTLY (REPRISE)” is T-306824605-5. 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).

Format

TPrefix

306824605Work number

5Check 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.

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00593894780 00700570289

SourcesCISACMLC2 sources

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CISAC ISWC registry search

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What is ISWC T-306824605-5?

T-306824605-5 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “LEONARD NATHAN SPEAKS SOFTLY (REPRISE)”. 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.

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T-306824605-5

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What is ISWC T-306824605-5?

T-306824605-5

Format

What other identifiers does this connect to?

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What is ISWC T-306824605-5?