ISWC · Musical Work
Heart on the Line (Operator, Operator)
T-070077794-1 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition "Heart on the Line (Operator, Operator)". 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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