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 A chord distance metric based on the Tonal Pitch Space and a key-finding method for chord annotation sequences. In <em>Anais do XVII Simpósio Brasileiro de Computação Musical</em>, setembro 25, 2019, São João del-Rei, Brasil. SBC, Porto Alegre, Brasil, 136-140. DOI: <a href="https://doi.org/10.5753/sbcm.2019.10435">https://doi.org/10.5753/sbcm.2019.10435</a>.