SinOsc s => dac;
0.8 => s.gain;

// MIDI note space
69 => int a;     
70 => int a_sharp;   
71 => int b;     
72 => int C;
73 => int C_sharp;
74 => int D;
75 => int D_sharp;
76 => int E;
 
// Fur Elise
[[E,8], [D_sharp,8], [E,8], [D_sharp,8], [E,8], [b,8], [D,8], [C,8], [a,4]] @=> int furElise[][];

120 => int tempo; 

// duration code taken from http://wiki.cs.princeton.edu/index.php/Scales.ck
dur duration[9];
240000::ms / (4 * tempo) => duration[4]; // quarter
240000::ms / (8 * tempo) => duration[8]; // eighth

// define function play
// std.mtof converts MIDI numbers to frequences in Hz
fun void play(int n, int d) {
    std.mtof(n) => s.freq;
    duration[d] => now;
}

for(0 => int i; i < furElise.cap(); i++) {
    play(furElise[i][0], furElise[i][1]);
}