What is the ISWC for “TOSCA”?

The ISWC for “TOSCA” is T9051722997. The ISRC USX761399045 identifies this specific recording; the ISWC identifies the underlying musical work shared by all versions.

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. USX761399045 is the ISRC for this recording; T9051722997 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.

TOSCA

ISRC

USX761399045

CZECH SYMPHONY ORCHESTRABULGARIAN NATIONAL RADIO SYMPHONY ORCHESTRAJOHN LANDOR & JULIAN BIGGPATRICK MARQUESBULGARIAN NATIONAL RADIO SYMPHONY ORCHESTRA & JOHN LANDORPATRICK MARQUES JOHN LANDOR BULGARIAN NATIONAL RADIO SYMPHONY ORCHESTRA

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Last verified: October 12, 2026

One ISRC for “TOSCA” by CZECH SYMPHONY ORCHESTRA is USX761399045. 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 T9051722997.

TOSCA

Format

TOSCA

Format

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What is ISRC USX761399045?

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