The musdb18 consists of 150 songs of different styles along with the images of their constitutive objects.
musdb18 contains two folders, a folder with a training set: "train", composed of 100 songs, and a folder with a test set: "test", composed of 50 songs. Supervised approaches should be trained on the training set and tested on both sets.
All files from the musdb18 dataset are encoded in the Native Instruments stems format (.mp4). It is a multitrack format… See the full description on the dataset page:
https://huggingface.co/datasets/artemisweb/MUSDB18.
