About the determination of key of a musical excerpt

Authors:
Héctor Bellmann
Affiliations:
Centre for Information Technology Innovation, Faculty of Information Technology, QUT, Brisbane, QLD, Australia
Venue:
CMMR'05 Proceedings of the Third international conference on Computer Music Modeling and Retrieval
Year:
2005

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Abstract

Knowledge of the key of a musical passage is a pre-requisite for all the analyses that require functional labelling. In the past, people from either a musical or AI background have tended to solve the problem by means of implementing a computerized version of musical analysis. Previous attempts are discussed and then attention is focused on a non-analytical solution first reported by J.A.Gabura. A practical way to carry it out is discussed as well as its limitations in relation to examples. References are made to the MusicXML format as needed.