diff --git a/Music_box_2.ino b/Music_box_2.ino
new file mode 100644
index 0000000..541de62
--- /dev/null
+++ b/Music_box_2.ino
@@ -0,0 +1,106 @@
+#include <SPI.h>
+#include <SD.h>
+#define SizeRegisterModules 300
+
+int IDarg = 0;
+String ParsedCommand[SizeRegisterModules];
+File myFile;
+
+char getCharCommand(){
+  if (Serial.available() > 0) {
+    char cmdraw = Serial.read();
+    if (cmdraw > 0) return cmdraw;
+  }
+  return '?';
+}
+
+char getCharCommand2(){
+  if (myFile.available() > 0) {
+    char cmdraw = myFile.read();
+    if (cmdraw > 0) return cmdraw;
+  }
+  return '?';
+}
+
+void play(String *args) {
+  for(int i = 0;i<=1000;i++) {
+    if(args[i*3] == "tone") {
+      //tone(2,args[i*3+2],args[i*3+3]);
+      Serial.print("tone(2,");
+      Serial.print(args[i*3+2]);
+      Serial.print(",");
+      Serial.print(args[i*3+3]);
+      Serial.println(");");
+    } else if(args[i*3] == "delay") {
+      Serial.print("delay(");
+      Serial.print(args[i*3+3]);
+      Serial.println(");");  
+    }
+  }
+}
+
+void mainL(String *args){
+  if(args[0] == "play")
+  {
+    Serial.println("initialization done.");
+    myFile = SD.open(args[1]);
+    if (myFile) {
+      Serial.print(args[1]);
+      Serial.println(":");
+
+      // read from the file until there's nothing else in it:
+      while (myFile.available()) {
+        char CharCommand = getCharCommand();
+        if (CharCommand != '}' && CharCommand != '?'){
+          Serial.print(CharCommand);
+          if (CharCommand == ' ' && CharCommand == '(' && CharCommand == ',' && CharCommand == ')'){
+            if(CharCommand == ')') { IDarg++; }
+            IDarg++;
+          }else{
+            ParsedCommand[IDarg] += CharCommand;
+          }
+        } else {
+        Serial.println(" ");
+        play(ParsedCommand);
+        IDarg = 0;
+        for (int i = 0;i<=3000;i++) {ParsedCommand[i]="";}
+        Serial.print(">");
+      }
+      }
+      // close the file:
+      myFile.close();
+    } else {
+      // if the file didn't open, print an error:
+      Serial.print("error opening ");
+      Serial.println(args[1]);
+    }
+  }
+}
+
+void setup() {
+  // Open serial communications and wait for port to open:
+  Serial.begin(9600);
+  while (!Serial) {
+    ; // wait for serial port to connect. Needed for native USB port only
+  }
+  SD.begin(4);
+  Serial.print("\n \n \n \n>");
+}
+
+void loop() {
+ char CharCommand = getCharCommand();
+ if (CharCommand != ';' && CharCommand != '?'){
+    Serial.print(CharCommand);
+  if (CharCommand == ' '){
+    IDarg++;
+  }else{
+    ParsedCommand[IDarg] += CharCommand;
+  }
+ }else if(CharCommand == ';'){
+  Serial.println(" ");
+  mainL(ParsedCommand);
+  IDarg = 0;
+  for (int i = 0;i<=3000;i++) {ParsedCommand[i]="";}
+  Serial.print(">");
+ }
+}