I need help with the script

Hi
I am new to Arduino and I need some help with a project of piano.
I am using instrument music shield and arduino bord and I want to make simple 8 key piano for special need school. I have all components and some basic code with is not working. No errors but no sound to.

Sorce code :
#include <SoftwareSerial.h>
SoftwareSerial mySerial(2, 3); //Soft TX on 3, we don’t use RX in this code
byte note = 0; //The MIDI note value to be played
byte resetMIDI = 4; //Tied to VS1053 Reset line
byte ledPin = 13; //MIDI traffic indicator
int instrument = 0;

const int buttonPin = 7; //pushbutton @ pin 7
const int buttonPin2 = 8; //pushbutton2 @ pin 8
const int buttonPin3 = 9; //pushbutton3 @ pin 9
const int buttonPin4 = 10; //pushbutton4 @ pin 10

//variables will change:

int buttonState = 0; //variable for reading the pushbutton status
int buttonState2 = 0; //variable for reading the pushbutton2 status
int buttonState3 = 0; //variable for reading the pushbutton3 status
int buttonState4 = 0; //variable for reading the pushbutton4 status

void setup() {
//Setup soft serial for me serial monitor (useful for debugging)
Serial.begin(57600);
//Setup soft serial for MIDI control
mySerial.begin(31250);

//Reset the VS1053 chip
pinMode(resetMIDI, OUTPUT);
digitalWrite(resetMIDI, LOW);
delay(100);
digitalWrite(resetMIDI, HIGH);
delay(100);

//Initialize the pushbutton pins as an input:
pinMode(buttonPin, INPUT);
pinMode(buttonPin2, INPUT);
pinMode(buttonPin3, INPUT);
pinMode(buttonPin4, INPUT);
}

void loop(){
//0xB0 is channel message, set channel volume to (127)
talkMIDI(0xB0, 0, 0x79);
//Bank select drums
talkMIDI(0xB0, 0, 0x78);

//read the state of the pushbutton value:
buttonState = digitalRead(buttonPin);
buttonState2 = digitalRead(buttonPin2);
buttonState3 = digitalRead(buttonPin3);
buttonState4 = digitalRead(buttonPin4);

//check if the pushbutton is pressed.
//if (buttonState is HIGH);

if (buttonState == HIGH)
{
talkMIDI(0xC0, instrument, 0);
Serial.print(“N:”);
Serial.println(41, DEC); //41 = high floor tom
noteOn(0, note, 127);
delay(000);
noteOff(0, note, 60);
delay(50);
}
else
{
}

if (buttonState2 == HIGH)
{
talkMIDI(0xC0, instrument, 0);
Serial.print(“N:”);
Serial.println(44, DEC); //44 = pedal hi-hat
noteOn(0, note, 127);
delay(50);
noteOff(0, note, 60);
delay(50);
}
else
{
}

if (buttonState3 == HIGH)
{
talkMIDI(0xC0, instrument, 0);
Serial.print(“N:”);
Serial.println(51, DEC); //51 = ride cumbal
noteOn(0, note, 127);
delay(50);
noteOff(0, note, 60);
delay(50);
}
else
{
}

if (buttonState4 == HIGH)
{
talkMIDI(0xC0, instrument, 0);
Serial.print(“N:”);
Serial.println(56); //56 = cowbell
noteOn(0, note, 127);
delay(50);
noteOff(0, note, 60);
delay(50);
}
else
{
}

}

//Declare the noteOn(), noteOff(), and talkMIDI() functions. No need to modify.
//Send a MIDI note-on message. Like pressing a piano key.
//channel ranges from 0-15.

void noteOn(byte channel, byte note, byte attack_velocity) {
talkMIDI( (0x90 | channel), note, attack_velocity);
}

//Send a MIDI note-off message. Like releasing a piano key
void noteOff(byte channel, byte note, byte release_velocity) {
talkMIDI( (0x80 | channel), note, release_velocity);
}

//Plays a MIDI note. Doesn’t check to see that cmd is greater than 127, or that data values are less than 127
void talkMIDI(byte cmd, byte data1, byte data2) {
digitalWrite(ledPin, HIGH);
mySerial.write(cmd);
mySerial.write(data1);

//Some commands only have one data byte. All cmds less than 0xBn have 2 data bytes
//(sort of: http://253.ccarh.org/handout/midiprotocol/)
if( (cmd & 0xF0) <= 0xB0)
mySerial.write(data2);

digitalWrite(ledPin, LOW);
}

Please help me with this .

Thankd

Code tags, we like. And auto-formatted code, with nice indentation.

What do your debug prints tell you is happening?

Arrays would shorten your code.

The channel volume is not set properly.

In the first line in "Loop" the line talkMIDI(0xB0, 0, 0x79);

Should be changed to talkMIDI(0xB0, 7, 0x7F);

And forgot line 2, you should start with bank 0 (GM1)

talkMIDI(0xB0, 0, 0x00);

the Midi implementation does not support bank 0X78.