https://www.overleaf.com/read/xgzwpjjpynyj
https://magenta.tensorflow.org/music-vae
https://arxiv.org/pdf/1803.05428.pdf
inspired from music vae pytorch
https://github.com/Variational-Autoencoder/MusicVAE
The Lakh MIDI Dataset v0.1: https://colinraffel.com/projects/lmd/#get
The MAESTRO Dataset: https://magenta.tensorflow.org/datasets/maestro
The Groove Dataset: https://magenta.tensorflow.org/datasets/groove