Code not doing what I want it to do

Projects General Guidance
2 
[#include <Keypad.h>
// LiquidCrystal - Version: Latest 
#include <LiquidCrystal.h>
char songnum[2];


int currentlength = 0;

const byte ROWS = 4; //four rows
const byte COLS = 3; //three columns
char keys[ROWS][COLS] = {
{'1','2','3'},
{'4','5','6'},
{'7','8','9'},
{'*','0','#'}
};
byte rowPins[ROWS] = {5, A5, A4, A2}; //connect to the row pinouts of the keypad
byte colPins[COLS] = {A1, A0, A3}; //connect to the column pinouts of the keypad

Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );

LiquidCrystal lcd(7,9,10,11,12,13); // the pins we use on the LCD
int P = 8;
void setup() {
 #define e 329.63
 #define d 293.66
 #define c 261.63
 #define g 392.00
 lcd.begin(16,2);
 lcd.print("choose a song:");
 lcd.setCursor(0, 1);
 lcd.cursor();
 Serial.begin(9600);
songnum[1]=0;
songnum[2]=0;
 while(currentlength<2){
  char key = keypad.getKey();
 key == NO_KEY;
 if (key != NO_KEY)
 {
   if ((key != '*')&&(key != '#'))
   { 
   lcd.print(key);
   songnum[currentlength] = key;
   currentlength++;
  
}
}
}
}
void loop() {


 
   
  
  
 
  
  

   
   
 
 
   
 
  
     
   
if ((currentlength==2)and(songnum[1]==1));{
 tone(P, e, 250);
 delay(500);
 tone(P, d, 250);
 delay(500);
 tone(P, c, 250);
 delay(500);
 tone(P, d, 250);
 delay(500);
 tone(P, e, 250);
 delay(500);
 tone(P, e, 250);
 delay(500);
 tone(P, e, 500);
 delay(1000);
 tone(P, d, 250);
 delay(500);
 tone(P, d, 250);
 delay(500);
 tone(P, d, 500);
 delay(1000);
 tone(P, e, 250);
 delay(500);
 tone(P, g, 250);
 delay(500);
 tone(P, g, 500);
 delay(1000);
 tone(P, e, 250);
 delay(500);
 tone(P, d, 250);
 delay(500);
 tone(P, c, 250);
 delay(500);
 tone(P, d, 250);
 delay(500);
 tone(P, e, 250);
 delay(500);
 tone(P, e, 250);
 delay(500);
 tone(P, e, 500);
 delay(1000);
 tone(P, d, 250);
 delay(500);
 tone(P, d, 250);
 delay(500);
 tone(P, e, 250);
 delay(500);
 tone(P, d, 250);
 delay(500);
 tone(P, c, 1000);
 delay(1500);
lcd.print(songnum[1]);
currentlength++;
}

 }
  ]