Predicting Music Hierarchies with a Graph-Based Neural Decoder

• URL: http://arxiv.org/abs/2306.16955v1
• Date: Thu, 29 Jun 2023 13:59:18 GMT
• Title: Predicting Music Hierarchies with a Graph-Based Neural Decoder
• Authors: Francesco Foscarin, Daniel Harasim, Gerhard Widmer
• Abstract summary: This paper describes a data-driven framework to parse musical sequences into dependency trees. dependency trees are hierarchical structures used in music cognition research and music analysis. One major benefit of this system is that it can be easily integrated into modern deep-learning pipelines.
• Score: 6.617487928813374
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This paper describes a data-driven framework to parse musical sequences into dependency trees, which are hierarchical structures used in music cognition research and music analysis. The parsing involves two steps. First, the input sequence is passed through a transformer encoder to enrich it with contextual information. Then, a classifier filters the graph of all possible dependency arcs to produce the dependency tree. One major benefit of this system is that it can be easily integrated into modern deep-learning pipelines. Moreover, since it does not rely on any particular symbolic grammar, it can consider multiple musical features simultaneously, make use of sequential context information, and produce partial results for noisy inputs. We test our approach on two datasets of musical trees -- time-span trees of monophonic note sequences and harmonic trees of jazz chord sequences -- and show that our approach outperforms previous methods.

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