ISWC · Musical Work
MY EX S BEST FRIEND
T-300556055-0 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition "MY EX S BEST FRIEND". 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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