I collected 33K non-trivial unique drum beats from midis available online, used a neural network with to build a space of latent representation of these beats and to generate new ones. Finally, I mapped all of them into 2D space using the t-SNE algorithm. Try the interactive exploration tool here https://bit.ly/2TrgtSx, read more about this project in my Medium post https://bit.ly/2J4GemE.