multiple ir sensors FOR loop

I found a piece of code on youtube where one sensor is being used for sending Midi messages. I was wondering how this van be done using more in a FOR loop. i fighting with the brackets and kind of lost. got a lot of errors.

int sens;
void loop(){
  for(int i=0;i<16;i++){
  sens[i] = 1027 - analogRead(i);
  if(sens[i]<870){
     if(!playing)noteOn();
     else {
          trackNote(sens[i]);
     }
  }
  else {
    if(playing) noteOff();
     }
  }
}

Does anyone know what best approach is ?

i fighting with the brackets and kind of lost. got a lot of errors.

You need to declare an array of sensors but as you have not posted a full sketch or any of the error messages it is difficult to provide any help

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