SinOsc s1 => PRCRev g => dac;
TriOsc s2 => g;
TriOsc s3 => g;
TriOsc s4 => g;

.05 => float volume => g.gain;
.5 => float volume2;
.15 => g.mix;

Std.mtof(77) => s1.freq;
Std.mtof(73) => s2.freq;
6::second => now;

Std.mtof(72) => s3.freq;
2::second => now;

Std.mtof(68) => s4.freq;
2::second => now;

Std.mtof(70) => s3.freq;
Std.mtof(66) => s4.freq;

while (volume < 1.3) { 
    volume * 1.2 => volume;
    volume2 * 1.05 => volume2;
    s1.gain(volume2);
    s2.gain(volume) => s3.gain => s4.gain;
    200::ms => now;
}
      
while (volume > .1) { 
    volume * .9 => volume;
    volume2 * .95 => volume2;
    s1.gain(volume2);
    s2.gain(volume) => s3.gain => s4.gain;
    200::ms => now;
}

Std.mtof(75) => s1.freq;
2::second => now;

Std.mtof(68) => s1.freq;
2::second => now;

Std.mtof(70) => s1.freq;
Std.mtof(68) => s2.freq;
Std.mtof(65) => s3.freq;
Std.mtof(60) => s4.freq;

while (volume < 1.3) {
    volume * 1.2 => volume;
    volume * 1.05 => volume2;
    s1.gain(volume2);
    s2.gain(volume) => s3.gain => s4.gain;
    200::ms => now;
}

while (volume > .1) {
    volume * .85 => volume;
    volume * .95 => volume2;
    s1.gain(volume2);
    s2.gain(volume) => s3.gain => s4.gain;
    200::ms => now;
}