Christmas LED and Tone decoration

Ingredients:
Speaker (this one was taken from an old alarm clock)
LEDs
optional- distance or motion sensor

There are two sets of LEDs that alternate every time a note is played. They are on pwm pins so they fade up and down with each note.
I cut out a wooden Christmas tree using a jigsaw and drilled a hole on the side for the speaker to fit into. I then drilled holes for the LEDs.
There is a playlist of 7 Christmas songs, it will start on a random one at startup, then continue with the playlist.

Before I give it away as a present I think I will attach a distance sensor so that it will be motion activated. To code for that I would put each song inside an 'if statement' and check the distance sensor.

//Modified RTTTL Example for Christmas

// Speaker on pin 11
//one set of LEDs on 10
//another set of LEDs on 9

// To mix the output of the signals to output to a small speaker (i.e. 8 Ohms or higher),
// simply use 1K Ohm resistors from each output pin and tie them together at the speaker.
// Don't forget to connect the other side of the speaker to ground!

// You can get more RTTTL (RingTone Text Transfer Language) songs from
// http://code.google.com/p/rogue-code/wiki/ToneLibraryDocumentation

#include <Tone.h>

Tone tone1;

#define OCTAVE_OFFSET 0

float value;

long var;

int notes[] = { 0,
NOTE_C4, NOTE_CS4, NOTE_D4, NOTE_DS4, NOTE_E4, NOTE_F4, NOTE_FS4, NOTE_G4, NOTE_GS4, NOTE_A4, NOTE_AS4, NOTE_B4,
NOTE_C5, NOTE_CS5, NOTE_D5, NOTE_DS5, NOTE_E5, NOTE_F5, NOTE_FS5, NOTE_G5, NOTE_GS5, NOTE_A5, NOTE_AS5, NOTE_B5,
NOTE_C6, NOTE_CS6, NOTE_D6, NOTE_DS6, NOTE_E6, NOTE_F6, NOTE_FS6, NOTE_G6, NOTE_GS6, NOTE_A6, NOTE_AS6, NOTE_B6,
NOTE_C7, NOTE_CS7, NOTE_D7, NOTE_DS7, NOTE_E7, NOTE_F7, NOTE_FS7, NOTE_G7, NOTE_GS7, NOTE_A7, NOTE_AS7, NOTE_B7
};


int pin=9;
int pin2=10;
int playpin;
void setup(void)
{
  Serial.begin(9600);
  tone1.begin(11);
  
  pinMode(pin,OUTPUT);
  pinMode(pin2,OUTPUT);
  

//var=1;
randomSeed(analogRead(0));

var=random(2,8);


}

#define isdigit(n) (n >= '0' && n <= '9')

void play_rtttl(char *p)            //$$$$$$$$$$ 
{
  // Absolutely no error checking in here



  byte default_dur = 4;
  byte default_oct = 6;
  int bpm = 63;
  int num;
  long wholenote;
  long duration;
  byte note;
  byte scale;

  // format: d=N,o=N,b=NNN:
  // find the start (skip name, etc)

  while(*p != ':') p++;    // ignore name
  p++;                     // skip ':'

  // get default duration
  if(*p == 'd')
  {
    p++; p++;              // skip "d="
    num = 0;
    while(isdigit(*p))
    {
      num = (num * 10) + (*p++ - '0');
    }
    if(num > 0) default_dur = num;
    p++;                   // skip comma
  }

  Serial.print("ddur: "); Serial.println(default_dur, 10);

  // get default octave
  if(*p == 'o')
  {
    p++; p++;              // skip "o="
    num = *p++ - '0';
    if(num >= 3 && num <=7) default_oct = num;
    p++;                   // skip comma
  }

  Serial.print("doct: "); Serial.println(default_oct, 10);

  // get BPM
  if(*p == 'b')
  {
    p++; p++;              // skip "b="
    num = 0;
    while(isdigit(*p))
    {
      num = (num * 10) + (*p++ - '0');
    }
    bpm = num;
    p++;                   // skip colon
  }

  Serial.print("bpm: "); Serial.println(bpm, 10);

  // BPM usually expresses the number of quarter notes per minute
  wholenote = (60 * 1000L / bpm) * 4;  // this is the time for whole note (in milliseconds)

  Serial.print("wn: "); Serial.println(wholenote, 10);


  // now begin note loop
  while(*p)
  {
    // first, get note duration, if available
    num = 0;
    while(isdigit(*p))
    {
      num = (num * 10) + (*p++ - '0');
    }
    
    if(num) duration = wholenote / num;
    else duration = wholenote / default_dur;  // we will need to check if we are a dotted note after

    // now get the note
    note = 0;

    switch(*p)
    {
      case 'c':
        note = 1;
        break;
      case 'd':
        note = 3;
        break;
      case 'e':
        note = 5;
        break;
      case 'f':
        note = 6;
        break;
      case 'g':
        note = 8;
        break;
      case 'a':
        note = 10;
        break;
      case 'b':
        note = 12;
        break;
      case 'p':
      default:
        note = 0;
    }
    p++;

    // now, get optional '#' sharp
    if(*p == '#')
    {
      note++;
      p++;
    }

    // now, get optional '.' dotted note
    if(*p == '.')
    {
      duration += duration/2;
      p++;
    }
  
    // now, get scale
    if(isdigit(*p))
    {
      scale = *p - '0';
      p++;
    }
    else
    {
      scale = default_oct;
    }

    scale += OCTAVE_OFFSET;

    if(*p == ',')
      p++;       // skip comma for next note (or we may be at the end)

    // now play the note $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
   
    if(note)                                      
    {
   
      Serial.print("Playing: ");
      Serial.print(scale, 10); Serial.print(' ');
      Serial.print(note, 10); Serial.print(" (");
      Serial.print(notes[(scale - 4) * 12 + note], 10);
      Serial.print(") ");
      Serial.println(duration, 10);
      tone1.play(notes[(scale - 4) * 12 + note]);
     // delay(duration);
     
                                      //THIS TURNS THE LED ON---------------
      value=duration;

      if(playpin==9){                      //THIS SWITCHES BETWEEN PINS 9 AND 10
        playpin=10;
      } else{
       playpin=9; 
      }

     Serial.print("the value is");
      Serial.println(value);
      for(int i=25;i<255;i+=10){
      analogWrite(playpin,i); 
      delay(value/60);
     }
     for(int i=255;i>0;i-=10){
      analogWrite(playpin,i); 
      delay(value/60);
      digitalWrite(playpin,LOW);
     }
                                                  //END THE FADING ---------------------------------------
      tone1.stop();
    }
    else
    {
      Serial.print("Pausing: ");
      Serial.println(duration, 10);
      delay(duration);
    }
  }
}

void loop(void)
{
if(var!=1){
 var=random(1,8);
  }


  if(var==1){
 char *song1 = "WeWishYou:d=4,o=5,b=200:d,g,8g,8a,8g,8f#,e,e,e,a,8a,8b,8a,8g,f#,d,d,b,8b,8c6,8b,8a,g,e,d,e,a,f#,2g,d,g,8g,8a,8g,8f#,e,e,e,a,8a,8b,8a,8g,f#,d,d,b,8b,8c6,8b,8a,g,e,d,e,a,f#,1g,d,g,g,g,2f#,f#,g,f#,e,2d,a,b,8a,8a,8g,8g,d6,d,d,e,a,f#,2g";
 play_rtttl(song1);
  delay(1000);
  var++;
  } 
 
  if (var==2){
 char *song2 = "CarolBells:d=8,o=5,b=180:4a,g#,a,4f#,4a,g#,a,4f#,4f#6,f#6,f#6,e6,d6,4c#6,c#6,c#6,b,a,4b,b,b,c#6,b,4f#,f#,f#,4f#,c#,d#,e,f#,g#,a,b,c#6,4b,4a,c#,d#,e,f#,g#,a,b,c#6,4b,4a,4a,g#,a,4f#,4a,g#,a,4f#";
 play_rtttl(song2);
  delay(1000);
   var++;
  } 
  
  if(var==3){
char *song3 = "Greensleeves:d=4,o=5,b=140:32p,g,2a#,c6,d.6,8d#6,d6,2c6,a,f.,8g,a,2a#,g,g.,8f,g,2a,f,2d,g,2a#,c6,d.6,8e6,d6,2c6,a,f.,8g,a,a#.,8a,g,f#.,8e,f#,2g";
 play_rtttl(song3);
     var++;
    delay(1000);
  } 
  
  if(var==4){  
    char *song4 = "JoyWorld:d=4,o=5,b=112:d6,8c#.6,16b,a.,8g,f#,e,d,8p,8a,b,8p,8b,c#6,8p,8c#6,2d.6,8p,8d6,8d6,8c#6,8b,8a,8a.,16g,8f#,8d6,8d6,8c#6,8b,8a,8a.,16g,8f#,8f#,8f#,8f#,8f#,16f#,16g,a.,16g,16f#,8e,8e,8e,16e,16f#,g,8p,16f#,16e,8d,8d6,8p,8b,8a.,16g,8f#,8g,f#,e,2d";
     play_rtttl(song4);
     var++;     
    delay(1000);
  } 
  
  if(var==5){  
    char *song5 = "Rudolph:d=16,o=6,b=100:32p,g#5,8a#5,g#5,8f5,8c#,8a#5,4g#.5,g#5,a#5,g#5,a#5,8g#5,8c#,2c,f#5,8g#5,f#5,8d#5,8c,8a#5,4g#.5,g#5,a#5,g#5,a#5,8g#5,8a#5,2f5,g#5,8a#5,a#5,8f5,8c#,8a#5,4g#.5,g#5,a#5,g#5,a#5,8g#5,8c#,2c,f#5,8g#5,f#5,8d#5,8c,8a#5,4g#.5,g#5,a#5,g#5,a#5,8g#5,8d#,2c#";
   play_rtttl(song5);
     var++;
    delay(1000);
  } 
  

  if(var==6){
    char *song6 = "feliz:d=8,o=5,b=140:a,4d6,c#6,d6,2b.,4p,b,4e6,d6,b,2a.,4p,a,4d6,c#6,d6,4b.,g,4b,4b,a,a,b,a,4g,g,1f#";
   play_rtttl(song6);
     var++;
    delay(1000);
  } 
  
  if(var==7){  
    char *song7 = "LetItSnow:d=8,o=5,b=125:c,c,c6,c6,4a#,4a,4g,4f,2c,c,c,4g.,f,4g.,f,4e,2c,4d,d6,d6,4c6,4a#,4a,2g.,e.6,16d6,4c6,c.6,16a#,4a,a#.,16a,2f.";
  play_rtttl(song7);
     
    delay(1000);
    var=1;
  } 
  

}