# MDB Drums ++

This repository contains updated annotations for the MDB Drums dataset, which itself consists of drum annotations and audio files for 23 tracks from the [MedleyDB](http://medleydb.weebly.com/) dataset.

## Contents

- Audio: drum-only WAVs in `audio/`
- Annotations: MIDI files in `annotations/midi/`
- Logic Pro sessions: `.logicx` in `logic_sessions/`
- Metadata: `metadata.csv` with one row per track

`metadata.csv` columns:

| track_id | style | split | audio_path | midi_path | logic_project_path | sample_rate_hz | num_channels | duration_sec | license | source | notes |
| :-- | :-- | :-- | :-- | :-- | :-- | --: | --: | --: | :-- | :-- | :-- |

All file paths are relative to the repo root. Durations are derived from WAV headers.

## License

As with the original dataset, the audio and annotation files are published under a [Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License](https://creativecommons.org/licenses/by-nc-sa/4.0/).

## Tracks

For each of the tracks drum only files are included. Full mixes and multi-track wavs are available from the original repo.

## References

| **[1]** |                  **[C. Southall, C. Wu, A. Lerch, J. Hockman, MDB Drums - An Annotated Subset of MedleyDB for Automatic Drum Transcription, Proceedings of the 18th International Society for Music Information Retrieval Conference (ISMIR), 2017.](https://carlsouthall.files.wordpress.com/2017/12/ismir2017mdbdrums.pdf)**|
| :---- | :--- |