GitHub - mdeff/fma: FMA: A Dataset For Music Analysis

https://github.com/mdeff/fma

The dataset is a dump of the Free Music Archive (FMA), an interactive library of high-quality, legal audio downloads.

Then, you got various sizes of MP3-encoded audio data:

1. fma_small.zip: 8,000 tracks of 30s, 8 balanced genres (GTZAN-like) (7.2 GiB)
2. fma_medium.zip: 25,000 tracks of 30s, 16 unbalanced genres (22 GiB)
3. fma_large.zip: 106,574 tracks of 30s, 161 unbalanced genres (93 GiB)
4. fma_full.zip: 106,574 untrimmed tracks, 161 unbalanced genres (879 GiB)