@article{calliopeapolyphonicmusictransformer,
  title = {Calliope -- A Polyphonic Music Transformer},
  author = {Andrea Valenti and Stefano Berti and Davide Bacciu},
  year = {2021},
  eprint = {2107.05546},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2107.05546v1},
}