freemusicarchive in WebDataset Format

This dataset is the freemusicarchive dataset, formatted in the WebDataset format. WebDataset files are essentially tar archives, where each example in the dataset is represented by a pair of files: a WAV audio file and a corresponding JSON metadata file. The JSON file contains the class label and other relevant information for that particular audio sample. $ tar tvf fma_small_train_0000000.tar|head -r--r--r-- bigdata/bigdata 26 2025-01-13 10:31 042029.json -r--r--r-- bigdata/bigdata 1201434 2025-01-13 10:31 042029.mp3 -r--r--r-- bigdata/bigdata 17 2025-01-13 10:31 001195.json -r--r--r-- bigdata/bigdata 721484 2025-01-13 10:31 001195.mp3 -r--r--r-- bigdata/bigdata 20 2025-01-13 10:31 032695.json -r--r--r-- bigdata/bigdata 1201154 2025-01-13 10:31 032695.mp3 -r--r--r-- bigdata/bigdata 25 2025-01-13 10:31 118504.json -r--r--r-- bigdata/bigdata 1202163 2025-01-13 10:31 118504.mp3 -r--r--r-- bigdata/bigdata 17 2025-01-13 10:31 123094.json -r--r--r-- bigdata/bigdata 961054 2025-01-13 10:31 123094.mp3 $ cat 042029.json {"genre": "International"}