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What to do? (ArrayIndexOutOfBoundsExceptation)

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For now i'm only trying to do some keyPressed to change music. But this is showing me an error, that i dont kow how tot fix it. Error name is "ArrayIndexOutOfBoundsExceptation:1".

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pre lang="c"> import ddf.minim.*; import ddf.minim.analysis.*;

Minim minim; AudioPlayer[] som=new AudioPlayer[1];

void setup() { size(1280, 720);

minim = new Minim(this);

som[1]=minim.loadFile("C:/Users/User/Documents/Processing/brain_colors/som/Jason - Timeflip.wav"); som[2]=minim.loadFile("C:/Users/User/Documents/Processing/brain_colors/som/metal/Slipknot - The Devil In I.mp3");

for (int i =0; i<som.length; i++) {
som[i].play(); } }

void draw() { background(0);

//BRAIN SKETCH }

void keyPressed () { if (key == '0') exit(); else { if (key == '2') { som[2].play(); } } }

void stop() { for (int i =0; i<som.length; i++) {
som[i].play(); } { minim.stop(); } }


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