using Arduino to control Sparkfun Mp3 Trigger?

hey guys. need a little help here. this one is pretty simple i know but i’m a noob. i’m trying to use arduino to switch tracks on the sparkfun mp3 trigger using a phidget touch sensor. i have it right now so that when it’s touched, it plays the first track (TRACK001.mp3) off the trigger. i want it so that when i release from the touch sensor it triggers the second track (TRACK002.mp3). i have it hooked up accordingly, but all i can get with this code is the first song to restart every time i touch the sensor again! please help me out. here’s the code. disregard the piezo talk, just using that as the word. thanks

const int piezoPin = A0; // piezo connected to analog pin 0
const int threshold = 200;

int valueP = 0;
int buttonState = 0;

void setup() {
// initialize the digital pin as an output.
// Pin 13 has an LED connected on most Arduino boards:
pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);
Serial.begin(9600);

}

void loop() {

valueP = analogRead(piezoPin);

if (valueP < threshold)
{

//digitalWrite(13, HIGH); // turn music off
//delay(1000); // wait for a second
digitalWrite(2, LOW); // turn music on
//digitalWrite(3, LOW); // turn music on
//digitalWrite(4, LOW); // turn music on
//digitalWrite(5, HIGH); // turn music off
//digitalWrite(6, HIGH); // turn music off
//digitalWrite(7, HIGH); // turn music off
//delay(1000); // wait for a second
}

if (valueP > threshold)
{

//digitalWrite(13, HIGH); // turn music off
//delay(1000); // wait for a second

digitalWrite(2, HIGH); // turn music on
//digitalWrite(3, HIGH); // turn music on
//digitalWrite(4, HIGH); // turn music on
digitalWrite(5, LOW); // turn music off
//digitalWrite(6, LOW); // turn music off
//digitalWrite(7, LOW); // turn music off
//delay(1000); // wait for a second
}
Serial.println(valueP);
}