// See `cargo run ref instruments` to find the values of `program` that correspond to each instrument.

voice Trumpet
{
    program: 56,
    channel: 1,
    volume: 35,     // Between 0 and 127
}

voice Bass
{
    program: 32,
    channel: 2,
    octave: -2,     // This lets us avoid writing so many commas to lower the notes.
}


// Multiple `play` blocks play simultaneously.

play Trumpet
{
    // Each note is stretched to fill the bar and so are made whole notes.
    :| D | G | C | . |
}

play Bass
{
    // Each bar here has four notes and so are made quarter notes.
    :| D F a F | G D G D | C G F E | C |
}