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taohu
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m4a

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m4a (Music4All Archive Package)

This dataset repo stores the encrypted music4all.zip archive as split parts, plus integrity and structure manifests.

Dataset Introduction

Repository Layout

  • raw/music4all.zip.part-000 ... raw/music4all.zip.part-005
  • metadata/source_archive_sha256.txt
  • metadata/source_archive_size_bytes.txt
  • metadata/parts_manifest.tsv
  • metadata/parts_sha256.txt
  • metadata/summary.json
  • metadata/zip_entries.txt
  • metadata/subdir_counts.tsv
  • metadata/ext_counts.tsv
  • metadata/pairing_report.json
  • metadata/reassemble.sh

Source Archive Facts

  • Source archive: music4all.zip
  • Size: 51,727,515,191 bytes
  • SHA256: b4b9f3ade16c09b70f48a387dddf3cf16a4454e33a4e597055643817ce5ca973
  • Total ZIP entries: 218,548
  • Encrypted entries: 218,545

Internal Content Summary (from ZIP index)

  • music4all/audios/: 109,269 MP3 files (+ directory entry)
  • music4all/lyrics/: 109,269 TXT lyric files (+ readme.txt and directory entry)
  • Root CSV files (6):
    • id_genres.csv
    • id_information.csv
    • id_lang.csv
    • id_metadata.csv
    • id_tags.csv
    • listening_history.csv
  • Audio/Lyric pairing check:
    • audio ids: 109,269
    • lyric ids: 109,269
    • only-audio: 0
    • only-lyric: 0

Reassemble and Verify 

cd metadata
bash reassemble.sh

This reconstructs ../music4all.zip and verifies SHA256 using source_archive_sha256.txt.

Notes

  • The ZIP is password-protected. This repo preserves the encrypted source package and machine-readable manifests.
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