use std::error::Error;
use std::fs::File;
use std::result::Result;
use rust_music::{
composition::Scale, composition::ScaleMode, compute_pitch, dynamic::*, rhythm::*, Accidental,
Instrument, Note, NoteName, Part, Phrase, Score, Tempo,
};
fn main() -> Result<(), Box<dyn Error>> {
let s = Scale::new(
compute_pitch(NoteName::Do, Accidental::Natural, 4)?,
ScaleMode::Aeolian,
);
let phrase = Phrase::from_notes_sequence(Note::new_sequence(QUAVER, MF, s.n_pitches(15)))?;
let mut piano_part = Part::new(Instrument::AcousticGrandPiano);
piano_part.add_phrase(phrase, 0.);
let mut score = Score::new("my score", Tempo::new(60)?, None);
score.add_part(piano_part);
score.write_midi_file(File::create("scale_example.mid")?)?;
Ok(())
}