Problems and Opportunities of Applying Data- & Audio-Mining Techniques to Ethnic Music Dirk Moelants, Olmo Cornelis, Jos Gansemans Rita De Caluwe, Guy De Tré, Marc Leman Dept. of Cultural Anthropology, Royal Tom Matthé, Axel Hallez IPEM-Dept. of Musicology, Ghent Museum of Central-Africa TELIN, Ghent University University Leuvensesteenweg 13 Sint-Pietersnieuwstraat 41 Blandijnberg 2 B-3080 Tervuren B-9000 Ghent, Belgium B-9000 Ghent, Belgium
[email protected] [email protected] [email protected] Abstract a fixed tuning does not exist and relative pitch (higher- Current research in music information retrieval focuses on lower) is more important than absolute pitch. Western music. In music from other cultures, both musical Another difficulty of integrating ethnic music in structures and thinking about music can be very different. digital music libraries lies in the construction of the meta- This creates problems for both the analysis of musical data. In the description of field recordings, some features and the construction of databases. On the other information that is ‘compulsory’ in the description of hand, a well-documented digitization offers interesting Western music is lacking, while information that seems opportunities for the study and spread of ‘endangered’ irrelevant in the description of Western music is very music. Here, some general problems regarding the digital important. Names of composers are usually not known, indexation of ethnic music are given, illustrated with a performers could be named, but some music is seen as method for describing pitch structure, comparing Western performed by ‘the community’ and the names of the standards with African music found in the digitization of participants are not considered very important.