ISWC · Musical Work
OPTIMISM
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The ISWC for “OPTIMISM” is T-210094470-2. 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 12 known recordings (ISRCs) indexed on Credits.fm.
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T-210094470-2 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “OPTIMISM”. 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 12 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.
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Dosem
ES84B1510254Howard Stelzer
USAY70812606MLC Song Code
