With this paper, we want to stimulate the discussion about technologies for inter-operation between various music datasets and collections. Among the many standards for music representation, IEEE 1599 is the only one which was born with the exact purpose of representing the heterogeneous structures of music documents, granting full synchronization of all the different aspects of music (audio recordings, sheet music images, symbolic representations, musicological analysis, etc). We propose the

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... option of IEEE 1599 as an interoperability framework between different collections for advanced music experience, musicological applications, and Music Information Retrieval (MIR). In the years to come, the format will undergo a review process aimed at providing an updated/improved version. It is now the perfect time, for all the stakeholders, to come together and discuss how the format can evolve to better support their requirements, enhancing its descriptive strength and available tools. Moreover, this standard can be profitably applied to any field that requires multi-layer and synchronized descriptions.