Related, are there better representations for music than standard notation (or MIDI)? I'm wondering what the higher convolution levels could look like, if this

Related, are there better representations for music than standard notation (or MIDI)? I'm wondering what the higher convolution levels could look like, if this was a CNN analyzing an image. Something between a the complete Ableton/Logic export and a MIDI file. Being able to capture the "feel" of a song (or a section within a song) strikes me as an important milestone towards designing really good generative music.