This article analyzes medieval polyphony fragments found in Stockholm, revealing new insights into musical practices around 1300. The fragments show unique uses of red notation, suggesting a transitional period and a gap in existing evidence for polyphonic composition. Additionally, the fragments contain previously unknown Latin motets, hinting at a lost repertoire from this era.

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This article presents original research on a niche topic, using meticulous analysis of rare manuscript fragments. While the scope is limited, the findings offer valuable insights into a transitional period in music history. The article's high level of scholarship and specialized knowledge justify a strong rating, despite its limited generalizability.