(Also check out https://github.com/serkansulun/midi-emotion for another, more accurate MIDI dataset with continuous-valued valence-arousal labels.)
To only download the datasets, with pairs of MIDI file names and predicted emotions from the lyrics, you can right-click and choose "Save Link As...", using the links below:
Download the models and place inside the models folder.
Required Python packages: transformers, pretty_midi
Usage:
python main.py --midi_file_path "John Lennon - Imagine.mid"
or
python main.py --lyrics "I hope some day you'll join us. And the world will be as one"