ISWC · Musical Work
T-909045446-9
I Knew You Were Trouble.
SourcesCommunityCISAC2 sources
What is ISWC T-909045446-9?
T-909045446-9 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition "I Knew You Were Trouble.". 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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