Online version of the Norwegian Folk Music Archive. This work is supported by the Research Council of Norway through its Centers of Excellence scheme ([RITMO Centre][1]), project number 262762 and the [MIRAGE project][2], grant number 287152. **Version 0.3, 20.5.2024**: All tunes from all the 343 tapes into consideration (number 458 to 880) added to the collection. Version 0.2, 19.4.2024: Correction of tunes with ID in the range 20-45: tune 20 and 21 fused into one single tune 20, and the rest of the IDs up to 45 are decremented. Tune 44 (previously 45 conflicting with the real 45) now correctly classified as song. Version 0.1, 20.5.2023: Includes 242 tapes from the collection, from tr-0458 to tr-0732 (with some missing within that range) For more details abput the original catalogue, cf. The Norwegian Collection of Folk Music at the University of Oslo, Hans-Hinrich Thedens, The World of Music, Vol. 38, No. 1, Music of the Roma (1996), pp. 158-161 (4 pages) https://www.jstor.org/stable/41699085 The tunes are sorted per instrumentation: each subfolder corresponds to a specific instrument, indicated by the subfolder name (generally both in English and Norwegian). [1]: https://www.uio.no/ritmo/english/ [2]: https://www.uio.no/ritmo/english/projects/mirage/