Help with for statements and tone functions

Hi
I am trying to make it a project so that when I type the number 1 in the serial monitor it plays a certain tune, and then a different tune for the number 2 and so on. I used this tutorial for the basics (https://diyhacking.com/arduino-speaker/), but I'm trying to make it play multiple melodies. The reason I'm using the LCD screen is so that I can see what the number from the Serial.read(). Can someone help me to make it change song when I type the respective number?

#define NOTE_B0  31
#define NOTE_C1  33
#define NOTE_CS1 35
#define NOTE_D1  37
#define NOTE_DS1 39
#define NOTE_E1  41
#define NOTE_F1  44
#define NOTE_FS1 46
#define NOTE_G1  49
#define NOTE_GS1 52
#define NOTE_A1  55
#define NOTE_AS1 58
#define NOTE_B1  62
#define NOTE_C2  65
#define NOTE_CS2 69
#define NOTE_D2  73
#define NOTE_DS2 78
#define NOTE_E2  82
#define NOTE_F2  87
#define NOTE_FS2 93
#define NOTE_G2  98
#define NOTE_GS2 104
#define NOTE_A2  110
#define NOTE_AS2 117
#define NOTE_B2  123
#define NOTE_C3  131
#define NOTE_CS3 139
#define NOTE_D3  147
#define NOTE_DS3 156
#define NOTE_E3  165
#define NOTE_F3  175
#define NOTE_FS3 185
#define NOTE_G3  196
#define NOTE_GS3 208
#define NOTE_A3  220
#define NOTE_AS3 233
#define NOTE_B3  247
#define NOTE_C4  262
#define NOTE_CS4 277
#define NOTE_D4  294
#define NOTE_DS4 311
#define NOTE_E4  330
#define NOTE_F4  349
#define NOTE_FS4 370
#define NOTE_G4  392
#define NOTE_GS4 415
#define NOTE_A4  440
#define NOTE_AS4 466
#define NOTE_B4  494
#define NOTE_C5  523
#define NOTE_CS5 554
#define NOTE_D5  587
#define NOTE_DS5 622
#define NOTE_E5  659
#define NOTE_F5  698
#define NOTE_FS5 740
#define NOTE_G5  784
#define NOTE_GS5 831
#define NOTE_A5  880
#define NOTE_AS5 932
#define NOTE_B5  988
#define NOTE_C6  1047
#define NOTE_CS6 1109
#define NOTE_D6  1175
#define NOTE_DS6 1245
#define NOTE_E6  1319
#define NOTE_F6  1397
#define NOTE_FS6 1480
#define NOTE_G6  1568
#define NOTE_GS6 1661
#define NOTE_A6  1760
#define NOTE_AS6 1865
#define NOTE_B6  1976
#define NOTE_C7  2093
#define NOTE_CS7 2217
#define NOTE_D7  2349
#define NOTE_DS7 2489
#define NOTE_E7  2637
#define NOTE_F7  2794
#define NOTE_FS7 2960
#define NOTE_G7  3136
#define NOTE_GS7 3322
#define NOTE_A7  3520
#define NOTE_AS7 3729
#define NOTE_B7  3951
#define NOTE_C8  4186
#define NOTE_CS8 4435
#define NOTE_D8  4699
#define NOTE_DS8 4978
#define END -1
}
char song1[] = "Ode to Joy";
char song2[] = "Honey Bun";
char song3[] = "Hedwig's Theme";
char song4[] = "We are Number One";
int song = 1;
int songChar = 1;
int speed1 = 50;
int speed2 = 45;
int speed3 = 70;
int speed4 = 50;
int thisNote = 0;
int noteDuration = 0;
#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
int melody1[] = {
  NOTE_E4, NOTE_E4, NOTE_F4, NOTE_G4,//1
  NOTE_G4, NOTE_F4, NOTE_E4, NOTE_D4,//2
  NOTE_C4, NOTE_C4, NOTE_D4, NOTE_E4,//3
  NOTE_E4, NOTE_D4, NOTE_D4,//4
  NOTE_E4, NOTE_E4, NOTE_F4, NOTE_G4,//1
  NOTE_G4, NOTE_F4, NOTE_E4, NOTE_D4,//2
  NOTE_C4, NOTE_C4, NOTE_D4, NOTE_E4,//3
  NOTE_D4, NOTE_C4, NOTE_C4,//5
  NOTE_D4, NOTE_D4, NOTE_E4, NOTE_C4,//6
  NOTE_D4, NOTE_E4, NOTE_F4, NOTE_E4, NOTE_C4,//7
  NOTE_D4, NOTE_E4, NOTE_F4, NOTE_E4, NOTE_D4,//8
  NOTE_C4, NOTE_D4, NOTE_G3,//9
  NOTE_E4, NOTE_E4, NOTE_F4, NOTE_G4,//1
  NOTE_G4, NOTE_F4, NOTE_E4, NOTE_D4,//2
  NOTE_C4, NOTE_C4, NOTE_D4, NOTE_E4,//3
  NOTE_D4, NOTE_C4, NOTE_C4,//5
  END

};
int melody2[] = {
  NOTE_B4, NOTE_A4, NOTE_A4, NOTE_B4, NOTE_G4, NOTE_AS4, NOTE_B4, NOTE_D4,
  NOTE_AS4, NOTE_B4, NOTE_AS4, NOTE_B4, NOTE_AS4, NOTE_B4, NOTE_D5,
  0, NOTE_B4, NOTE_G4, NOTE_B4, NOTE_G4, NOTE_B4, NOTE_A4, NOTE_G4, NOTE_A4,
  NOTE_G4, 0,
  END
};
int melody3[] = {
  NOTE_B3, NOTE_E4, NOTE_G4, NOTE_FS4, NOTE_E4, NOTE_B4, NOTE_A4, NOTE_FS4,
  NOTE_E4, NOTE_G4, NOTE_FS4, NOTE_DS4, NOTE_F4, NOTE_B3, NOTE_B3,
  NOTE_E4, NOTE_G4, NOTE_FS4, NOTE_E4, NOTE_B4, NOTE_D5, NOTE_CS5, NOTE_C5, NOTE_GS4,
  NOTE_C5, NOTE_B4, NOTE_AS4, NOTE_AS3, NOTE_G4, NOTE_E4,
  END
};
int melody4[] = {
  NOTE_F4, 0, NOTE_C5, NOTE_B4, NOTE_C5, NOTE_B4, NOTE_C5, NOTE_B4, NOTE_C5, NOTE_GS4, NOTE_F4,
  0, NOTE_F4, 0, NOTE_GS4, 0, NOTE_C5, 0, NOTE_CS5, NOTE_GS4, NOTE_CS5, NOTE_DS5,
  NOTE_C5, NOTE_CS5, NOTE_C5, NOTE_CS5, NOTE_C5, 0, NOTE_F5,
  END
};
int rhythm1[] = {
  8, 8, 8, 8, //1
  8, 8, 8, 8, //2
  8, 8, 8, 8, //3
  12, 4, 16,//4
  8, 8, 8, 8, //1
  8, 8, 8, 8, //2
  8, 8, 8, 8, //3
  12, 4, 16,//5
  8, 8, 8, 8,//6
  8, 4, 4, 8, 8,//7
  8, 4, 4, 8, 8,//8
  8, 8, 16,//9
  8, 8, 8, 8, //1
  8, 8, 8, 8, //2
  8, 8, 8, 8, //3
  12, 4, 16,//5
};
int rhythm2[] = {
  4, 4, 4, 8, 16, 4, 8, 20,
  8, 8, 8, 8, 4, 8, 20,
  8, 4, 4, 8, 8, 4, 8, 12, 8,
  56, 4,
};
int rhythm3[] = {
  4, 6, 2, 4, 8, 4, 12, 12,
  6,  2, 4, 8, 4, 20,
  4, 6, 2, 4, 8, 4, 8, 4, 8,
  4, 6, 2, 4, 8, 4, 20,
};
int rhythm4[] = {
  8, 4, 4, 2, 2, 2, 2, 4, 4, 8, 8, 4, 2, 2, 2, 2, 2, 2, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 8
};
void setup() {
  Serial.begin(9600);
  pinMode(button, INPUT);
  lcd.begin(16, 2);
}

void loop() {
  song = Serial.read();
  if (song != -1) {
    songChar = song;
  }
  lcd.print(songChar);
  lcd.setCursor(0, 0);
  for (thisNote = 0; songChar == 49; thisNote++) {
    noteDuration = speed1 * rhythm1[thisNote];
    tone(8, melody1[thisNote], noteDuration * .95);
    delay(noteDuration);
    noTone(8);
    if (song != -1) {
      songChar = song;
    }
    lcd.print(songChar);
    lcd.setCursor(0, 0);
  }
  for (thisNote = 0; songChar == 50; thisNote++) {
    noteDuration = speed2 * rhythm2[thisNote];
    tone(8, melody2[thisNote], noteDuration * .95);
    delay(noteDuration);
    noTone(8);
    if (song != -1) {
      songChar = song;
    }
    lcd.print(songChar);
    lcd.setCursor(0, 0);
  }
  for (thisNote = 0; songChar == 51; thisNote++) {
    noteDuration = speed3 * rhythm3[thisNote];
    tone(3, melody3[thisNote], noteDuration * .95);
    delay(noteDuration);
    noTone(8);
    if (song != -1) {
      songChar = song;
    }
    lcd.print(songChar);
    lcd.setCursor(0, 0);
  }
  for (thisNote = 0; songChar == 52; thisNote++) {
    noteDuration = speed4 * rhythm4[thisNote];
    tone(8, melody4[thisNote], noteDuration * .95);
    delay(noteDuration);
    noTone(8);
    if (song != -1) {
      songChar = song;
    }
    lcd.print(songChar);
    lcd.setCursor(0, 0);
  };
};

So would using a while statement work better.

The middle condition is a continue condition, not a stop condition. So this reads, "starting with songChar at 0 as long as songChar equals 49 do something and add one to songChar. How many times do you think that will happen?

Would you like to reconsider that response?