构建首个完整非节拍波斯古典音乐曲谱库，支持算法研究与教学。
Radif Corpus: A Symbolic Dataset for Non-Metric Iranian Classical Music
- 采集13个乐段、228首作品，以MIDI和表格形式记录音高、时值与结构
- 精确还原波斯音乐特有的四分之一音差与非节拍特性，总时长约281分钟
- 适合音乐信息检索、即兴风格分析与计算民族音乐学研究者使用
非节拍音乐构成波斯古典音乐的核心。达斯特加赫体系为波斯艺术音乐及部分民间传统提供理论基础。波斯古典音乐的根基在于拉迪夫（radif），它组织了表演与教学中关键的旋律素材。本研究构建了一个数字语料库，完整呈现非节拍拉迪夫曲目，涵盖现存全部13个组成部分。提供约281分钟的MIDI文件，以及包含228首作品的音符、时值、音程与层级结构的数据表。语料库忠实还原调式特征，包括四分之一音差与非节拍性。同时提供基础统计数据，以及复杂度与相似性度量。该语料库为波斯古典音乐的计算研究提供了平台，可用于旋律模式分析、即兴风格研究，或音乐信息检索、音乐理论与计算民族音乐学等任务。
原文摘要 · Abstract (English)
Non-metric music forms the core of the repertoire in Iranian classical music. Dastgahi music serves as the underlying theoretical system for both Iranian art music and certain folk traditions. At the heart of Iranian classical music lies the radif, a foundational repertoire that organizes melodic material central to performance and pedagogy. In this study, we introduce a digital corpus representing the complete non-metrical radif repertoire, covering all 13 existing components of this repertoire. We provide MIDI files (about 281 minutes in total) and data spreadsheets describing notes, note durations, intervals, and hierarchical structures for 228 pieces of music. We faithfully represent the tonality including quarter-tones, and the non-metric aspect. Furthermore, we provide supporting basic statistics, and measures of complexity and similarity over the corpus. Our corpus provides a platform for computational studies of Iranian classical music. Researchers might employ it in studying melodic patterns, investigating improvisational styles, or for other tasks in music information retrieval, music theory, and computational (ethno)musicology.
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