in-c.ino

#include "pitches.h"
int speakerA = 11;
int speakerB = 8;
int buttonA = 2;
int buttonB = 4;

int buttonPushCounterA = 0;   // counter for the number of button presses
int buttonStateA = 0;         // current state of the button
int lastButtonStateA = 0;     // previous state of the button

int buttonPushCounterB = 0;   // counter for the number of button presses
int buttonStateB = 0;         // current state of the button
int lastButtonStateB = 0;     // previous state of the button


// bar 1:
int melody[] = {
  NOTE_C4, NOTE_E4, NOTE_C4, NOTE_E4, NOTE_C4, NOTE_E4
};

// note durations: 4 = quarter note, 8 = eighth note, etc.:
int noteDurations[] = {
  16, 4, 16, 4, 16, 4
};

int melody2[] = {
  NOTE_C4, NOTE_E4, NOTE_F4, NOTE_E4
};

int noteDurations2[] {
  16, 8, 8, 4
};


void playBar1(int speakerPin) {
  for (int thisNote = 0; thisNote < 6; thisNote++) {
    int noteDuration = 1000 / noteDurations[thisNote];
    tone(speakerPin, melody[thisNote], noteDuration);

    // to distinguish the notes, set a minimum time between them.
    // the note's duration + 30% seems to work well:
    int pauseBetweenNotes = noteDuration * 1.30;
    delay(pauseBetweenNotes);
  }
}

void playBar2(int speakerPin) {
  for (int thisNote = 0; thisNote < 4; thisNote++) {
    int noteDuration = 1000 / noteDurations2[thisNote];
    tone(speakerPin, melody2[thisNote], noteDuration);

    // to distinguish the notes, set a minimum time between them.
    // the note's duration + 30% seems to work well:
    int pauseBetweenNotes = noteDuration * 1.30;
    delay(pauseBetweenNotes);
  }
}

void setup() {
  // put your setup code here, to run once:
  pinMode(speakerA, OUTPUT);
  pinMode(speakerB, OUTPUT);
  pinMode(buttonA, INPUT);
  pinMode(buttonB, INPUT);
  Serial.begin(9600);
}

void loop() {
  buttonStateA = digitalRead(buttonA);

  // compare the buttonState to its previous state
  if (buttonStateA != lastButtonStateA) {
    // if the state has changed, increment the counter
    if (buttonStateA == HIGH) {
      // if the current state is HIGH then the button
      // went from off to on:
      buttonPushCounterA++;
      Serial.println("buttonA");
      Serial.println(buttonPushCounterA);
    } else {
    }
    // Delay a little bit to avoid bouncing
    delay(50);
  }
  // save the current state as the last state,
  //for next time through the loop
  lastButtonStateA = buttonStateA;

  buttonStateB = digitalRead(buttonB);

  // compare the buttonState to its previous state
  if (buttonStateB != lastButtonStateB) {
    // if the state has changed, increment the counter
    if (buttonStateB == HIGH) {
      // if the current state is HIGH then the button
      // went from off to on:
      buttonPushCounterB++;
      Serial.println("buttonB");
      Serial.println(buttonPushCounterB);
    } else {
    }
    // Delay a little bit to avoid bouncing
    delay(50);
  }
  // save the current state as the last state,
  //for next time through the loop
  lastButtonStateB = buttonStateB;


  // play phrases
  if (buttonPushCounterA == 1) {
    playBar1(speakerA);
  }
  if (buttonPushCounterA == 2) {
    playBar2(speakerA);
  }
  else {
    noTone(speakerA);
  }
  
  if (buttonPushCounterB == 1) {
    playBar1(speakerB);
  }
  if (buttonPushCounterB == 2) {
    playBar2(speakerB);
  }
  else {
    noTone(speakerB);
  }

}

pitches.h

#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