Upload burgmuller dataset (25 MIDI files)

README.md

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+---
+license: cc-by-4.0
+task_categories:
+  - audio-classification
+tags:
+  - music
+  - piano
+  - midi
+  - error-detection
+pretty_name: Burgmuller Op.100 Piano Performance Dataset
+size_categories:
+  - n<1K
+---
+
+# Burgmuller Op.100: Piano Performance MIDI with Error Annotations
+
+25 annotated piano performances of Burgmuller Op.100 etudes.
+
+Each file is a multi-track MIDI:
+- **Track 1**: Full performance data (used for tokenization/encoding)
+- **Track 2**: Error annotations (pitch=0 or pitch=1 notes marking mistake regions)
+
+## Structure
+
+    b-XX-annot.mid   (XX = 01..25)
+
+## Usage note
+
+The annotation file IS the data source. Track 1 contains the performance,
+Track 2 contains the error labels. No separate performance MIDI is needed.
+
+## Reference
+
+From "Sounds out of place? Score-independent detection of conspicuous mistakes
+in piano performances."
+Part of [EVPMR](https://github.com/anusfoil/eval-piano-midi-repr) benchmark.