["size_categories:10K<n<100K", "format:parquet", "modality:text", "library:datasets", "library:dask", "library:mlcroissant", "library:polars", "region:us"]
[{"name": "notes", "struct": [{"name": "duration", "sequence": "float64"}, {"name": "end", "sequence": "float64"}, {"name": "pitch", "sequence": "int64"}, {"name": "start", "sequence": "float64"}, {"name": "velocity", "sequence": "int64"}]}, {"name": "control_changes", "struct": [{"name": "number", "sequence": "int64"}, {"name": "time", "sequence": "float64"}, {"name": "value", "sequence": "int64"}]}, {"name": "source", "dtype": "string"}]