Plays the Tetris theme in the TScript programming language

tetris_theme.tscript

var frequency = [
    659.25511, 493.8833, 523.25113, 587.32954, 523.25113, 493.8833, 440.0, 440.0,
    523.25113, 659.25511, 587.32954, 523.25113, 493.8833, 523.25113, 587.32954,
    659.25511, 523.25113, 440.0, 440.0, 440.0, 493.8833, 523.25113, 587.32954,
    698.45646, 880.0, 783.99087, 698.45646, 659.25511, 523.25113, 659.25511,
    587.32954, 523.25113, 493.8833, 493.8833, 523.25113, 587.32954, 659.25511,
    523.25113, 440.0, 440.0
];
var duration = [
    406.250, 203.125, 203.125, 406.250, 203.125, 203.125, 406.250, 203.125,
    203.125, 406.250, 203.125, 203.125, 609.375, 203.125, 406.250, 406.250,
    406.250, 406.250, 203.125, 203.125, 203.125, 203.125, 609.375, 203.125,
    406.250, 203.125, 203.125, 609.375, 203.125, 406.250, 203.125, 203.125,
    406.250, 203.125, 203.125, 406.250, 406.250, 406.250, 406.250, 406.250
];
var sample_rate = 8000;

function arr_sum(arr) {
    var sum = 0;
    for var elem in arr do {
        sum += elem;
    }
    return sum;
}

var samples = [];

for var i in 0:frequency.size() do {
    var freq = frequency[i];
    for var j in 0:sample_rate*(duration[i]/1000) do {
        samples.push(math.sin((freq / sample_rate) * j * 2 * math.pi()));
    }
}

var sound = audio.Sound([samples, samples], sample_rate);
sound.play();
wait(arr_sum(duration));