Add pre-computed chroma features (seq_len=128)

README.md

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+---
+dataset_info:
+  features:
+  - name: name
+    dtype: string
+  - name: genre
+    list: string
+  - name: chroma
+    dtype:
+      array2_d:
+        shape:
+        - 128
+        - 12
+        dtype: float32
+  - name: text
+    dtype: string
+  splits:
+  - name: train
+    num_bytes: 28678416.937062938
+    num_examples: 4247
+  - name: test
+    num_bytes: 3187241.062937063
+    num_examples: 472
+  download_size: 9048600
+  dataset_size: 31865658.0
+configs:
+- config_name: default
+  data_files:
+  - split: train
+    path: data/train-*
+  - split: test
+    path: data/test-*
+---

data/test-00000-of-00001.parquet

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+oid sha256:cbcdf7bd278990ba65f8c80d2bce6446c4afa4df5d9082dc78fb61c468729ad9
+size 932712

data/train-00000-of-00001.parquet

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+version https://git-lfs.github.com/spec/v1
+oid sha256:a8e8df104844bf25cef76cb86bc62f14b3f751602897f2da964065c6753d051b
+size 8115888