Make a P1.cpp file as shown in SoundTestForm; also make a main.cpp file.Write the codes shown. Call the .cpp file as P1.cpp(see it is included in the main.cpp codes)
Make wav file of any music file and store it in a drive.Put the correct path in the
form that shows on running this code. Press play.Bingo,there goes your sound track.
The only disadvantage here is wav file is ten times larger that mp3 file.

This is ok for experimentation.For practicality you should find a way to convert mp3 to wav
in this program itself,so that conversion is done as it plays.
regards and blessings

/////////////////////////////////////////////////////////////////////////////
#using 
#include "stdio.h"
#include "stdio.h"
#using 
#include "stdio.h"
#include 
#include 
#include 
#include 
#include 
#include 
#using 
#using 
#using 
using namespace std;
using namespace System::Net;
using namespace System;
using namespace System::IO;
using namespace System::Collections;
using namespace System::ComponentModel;
using namespace System::Diagnostics;
using namespace System::Drawing;
using namespace System::Media;
using namespace System::Windows::Forms;

public ref class SoundTestForm: public System::Windows::Forms::Form
{
private:
   System::Windows::Forms::Label ^ label1;
   System::Windows::Forms::TextBox^ filepathTextbox;
   System::Windows::Forms::Button^ playOnceSyncButton;
   System::Windows::Forms::Button^ playOnceAsyncButton;
   System::Windows::Forms::Button^ playLoopAsyncButton;
   System::Windows::Forms::Button^ selectFileButton;
   System::Windows::Forms::Button^ stopButton;
   System::Windows::Forms::StatusBar^ statusBar;
   System::Windows::Forms::Button^ loadSyncButton;
   System::Windows::Forms::Button^ loadAsyncButton;
   SoundPlayer^ player;
public:
   SoundTestForm()
   {
      // Initialize Forms Designer generated code.
      InitializeComponent();
      // Disable playback controls until a valid .wav file
      // is selected.
      EnablePlaybackControls( false );
      // Set up the status bar and other controls.
      InitializeControls();
      // Set up the SoundPlayer object.
      InitializeSound();
   }
private:
   // Sets up the status bar and other controls.
   void InitializeControls()
   {
      // Set up the status bar.
      StatusBarPanel^ panel = gcnew StatusBarPanel;
      panel->BorderStyle = StatusBarPanelBorderStyle::Sunken;
      panel->Text = "Ready.";
      panel->AutoSize = StatusBarPanelAutoSize::Spring;
      this->statusBar->ShowPanels = true;
      this->statusBar->Panels->Add( panel );
   }
   // Sets up the SoundPlayer object.
   void InitializeSound()
   {
      // Create an instance of the SoundPlayer class.
      player = gcnew SoundPlayer;
      // Listen for the LoadCompleted event.
      player->LoadCompleted += gcnew AsyncCompletedEventHandler( this, &SoundTestForm::player_LoadCompleted );
      // Listen for the SoundLocationChanged event.
      player->SoundLocationChanged += gcnew EventHandler( this, &SoundTestForm::player_LocationChanged );
   }
 void selectFileButton_Click( Object^ /*sender*/, System::EventArgs^ /*e*/ )
    {
      // Create a new OpenFileDialog.
      OpenFileDialog^ dlg = gcnew OpenFileDialog;
      // Make sure the dialog checks for existence of the
      // selected file.
      dlg->CheckFileExists = true;
      // Allow selection of .wav files only.
      dlg->Filter = "WAV files (*.wav)|*.wav";
      dlg->DefaultExt = ".wav";
      // Activate the file selection dialog.
      if ( dlg->ShowDialog() == ::DialogResult::OK )
      {
         // Get the selected file's path from the dialog.
         this->filepathTextbox->Text = dlg->FileName;
         // Assign the selected file's path to
         // the SoundPlayer object. 
         player->SoundLocation = filepathTextbox->Text;
      }
   }
   // Convenience method for setting message text in
   // the status bar.
   void ReportStatus( String^ statusMessage )
   {
      // If the caller passed in a message...
      if ( (statusMessage != nullptr) && (statusMessage != String::Empty) )
      {
         // ...post the caller's message to the status bar.
         this->statusBar->Panels[ 0 ]->Text = statusMessage;
      }
   }
   // Enables and disables play controls.
   void EnablePlaybackControls( bool enabled )
   {
      this->playOnceSyncButton->Enabled = enabled;
      this->playOnceAsyncButton->Enabled = enabled;
      this->playLoopAsyncButton->Enabled = enabled;
      this->stopButton->Enabled = enabled;
   }
   void filepathTextbox_TextChanged( Object^ /*sender*/, EventArgs^ /*e*/ )
    {
      // Disable playback controls until the new .wav is loaded.
      EnablePlaybackControls( false );
    }
   void loadSyncButton_Click( Object^ /*sender*/, System::EventArgs^ /*e*/ )
   {
      // Disable playback controls until the .wav is
      // successfully loaded. The LoadCompleted event
      // handler will enable them.
      EnablePlaybackControls( false );
      try
      {
         // Assign the selected file's path to
         // the SoundPlayer object. 
         player->SoundLocation = filepathTextbox->Text;
         // Load the .wav file.
         player->Load();
      }
      catch ( Exception^ ex )
      {
         ReportStatus( ex->Message );
      }
   }
   void loadAsyncButton_Click( System::Object^ /*sender*/, System::EventArgs^ /*e*/ )
    {
      // Disable playback controls until the .wav is
      // successfully loaded. The LoadCompleted event
      // handler will enable them.
      EnablePlaybackControls( false );
      try
      {
         // Assign the selected file's path to
         // the SoundPlayer object. 
         player->SoundLocation = this->filepathTextbox->Text;
         // Load the .wav file.
         player->LoadAsync();
      }
      catch ( Exception^ ex )
      {
         ReportStatus( ex->Message );
      }
   }
   // Synchronously plays the selected .wav file once.
   // If the file is large, UI response will be visibly
   // affected.
   void playOnceSyncButton_Click( Object^ /*sender*/, System::EventArgs^ /*e*/ )
   {
      ReportStatus( "Playing .wav file synchronously." );
      player->PlaySync();
      ReportStatus( "Finished playing .wav file synchronously." );
   }
   // Asynchronously plays the selected .wav file once.
   void playOnceAsyncButton_Click( Object^ /*sender*/, System::EventArgs^ /*e*/ )
    {
      ReportStatus( "Playing .wav file asynchronously." );
      player->Play();
   }
   // Asynchronously plays the selected .wav file until the user
   // clicks the Stop button.
   void playLoopAsyncButton_Click( Object^ /*sender*/, System::EventArgs^ /*e*/ )
    {
      ReportStatus( "Looping .wav file asynchronously." );
      player->PlayLooping();
   }
   // Stops the currently playing .wav file, if any.
   void stopButton_Click( System::Object^ /*sender*/, System::EventArgs^ /*e*/ )
    {
      player->Stop();
      ReportStatus( "Stopped by user." );
    }
   // Handler for the LoadCompleted event.
   void player_LoadCompleted( Object^ /*sender*/, AsyncCompletedEventArgs^ /*e*/ )
   {
      String^ message = String::Format( "LoadCompleted: {0}", this->filepathTextbox->Text );
      ReportStatus( message );
      EnablePlaybackControls( true );
   }
   // Handler for the SoundLocationChanged event.
   void player_LocationChanged( Object^ /*sender*/, EventArgs^ /*e*/ )
    {
      String^ message = String::Format( "SoundLocationChanged: {0}", player->SoundLocation );
      ReportStatus( message );
    }
   void InitializeComponent()
   {
      this->filepathTextbox = gcnew System::Windows::Forms::TextBox;
      this->selectFileButton = gcnew System::Windows::Forms::Button;
      this->label1 = gcnew System::Windows::Forms::Label;
      this->loadSyncButton = gcnew System::Windows::Forms::Button;
      this->playOnceSyncButton = gcnew System::Windows::Forms::Button;
      this->playOnceAsyncButton = gcnew System::Windows::Forms::Button;
      this->stopButton = gcnew System::Windows::Forms::Button;
      this->playLoopAsyncButton = gcnew System::Windows::Forms::Button;
      this->statusBar = gcnew System::Windows::Forms::StatusBar;
      this->loadAsyncButton = gcnew System::Windows::Forms::Button;
      this->SuspendLayout();
      //
      // filepathTextbox
      //
      this->filepathTextbox->Anchor = (System::Windows::Forms::AnchorStyles)(System::Windows::Forms::AnchorStyles::Top | System::Windows::Forms::AnchorStyles::Left | System::Windows::Forms::AnchorStyles::Right);
      this->filepathTextbox->Location = System::Drawing::Point( 7, 25 );
      this->filepathTextbox->Name = "filepathTextbox";
      this->filepathTextbox->Size = System::Drawing::Size( 263, 20 );
      this->filepathTextbox->TabIndex = 1;
      this->filepathTextbox->Text = "";
      this->filepathTextbox->TextChanged += gcnew System::EventHandler( this, &SoundTestForm::filepathTextbox_TextChanged );
      //
      // selectFileButton
      //
      this->selectFileButton->Anchor = static_cast(AnchorStyles::Top | AnchorStyles::Right);
      this->selectFileButton->Location = System::Drawing::Point( 276, 25 );
      this->selectFileButton->Name = "selectFileButton";
      this->selectFileButton->Size = System::Drawing::Size( 23, 21 );
      this->selectFileButton->TabIndex = 2;
      this->selectFileButton->Text = "...";
      this->selectFileButton->Click += gcnew System::EventHandler( this, &SoundTestForm::selectFileButton_Click );
      //
      // label1
      //
      this->label1->Location = System::Drawing::Point( 7, 7 );
      this->label1->Name = "label1";
      this->label1->Size = System::Drawing::Size( 145, 17 );
      this->label1->TabIndex = 3;
      this->label1->Text = ".wav path or URL:";
      //
      // loadSyncButton
      //
      this->loadSyncButton->Location = System::Drawing::Point( 7, 53 );
      this->loadSyncButton->Name = "loadSyncButton";
      this->loadSyncButton->Size = System::Drawing::Size( 142, 23 );
      this->loadSyncButton->TabIndex = 4;
      this->loadSyncButton->Text = "Load Synchronously";
      this->loadSyncButton->Click += gcnew System::EventHandler( this, &SoundTestForm::loadSyncButton_Click );
      //
      // playOnceSyncButton
      //
      this->playOnceSyncButton->Location = System::Drawing::Point( 7, 86 );
      this->playOnceSyncButton->Name = "playOnceSyncButton";
      this->playOnceSyncButton->Size = System::Drawing::Size( 142, 23 );
      this->playOnceSyncButton->TabIndex = 5;
      this->playOnceSyncButton->Text = "Play Once Synchronously";
      this->playOnceSyncButton->Click += gcnew System::EventHandler( this, &SoundTestForm::playOnceSyncButton_Click );
      //
      // playOnceAsyncButton
      //
      this->playOnceAsyncButton->Location = System::Drawing::Point( 149, 86 );
      this->playOnceAsyncButton->Name = "playOnceAsyncButton";
      this->playOnceAsyncButton->Size = System::Drawing::Size( 147, 23 );
      this->playOnceAsyncButton->TabIndex = 6;
      this->playOnceAsyncButton->Text = "Play Once Asynchronously";
      this->playOnceAsyncButton->Click += gcnew System::EventHandler( this, &SoundTestForm::playOnceAsyncButton_Click );
      //
      // stopButton
      //
      this->stopButton->Location = System::Drawing::Point( 149, 109 );
      this->stopButton->Name = "stopButton";
      this->stopButton->Size = System::Drawing::Size( 147, 23 );
      this->stopButton->TabIndex = 7;
      this->stopButton->Text = "Stop";
      this->stopButton->Click += gcnew System::EventHandler( this, &SoundTestForm::stopButton_Click );
      //
      // playLoopAsyncButton
      //
      this->playLoopAsyncButton->Location = System::Drawing::Point( 7, 109 );
      this->playLoopAsyncButton->Name = "playLoopAsyncButton";
      this->playLoopAsyncButton->Size = System::Drawing::Size( 142, 23 );
      this->playLoopAsyncButton->TabIndex = 8;
      this->playLoopAsyncButton->Text = "Loop Asynchronously";
      this->playLoopAsyncButton->Click += gcnew System::EventHandler( this, &SoundTestForm::playLoopAsyncButton_Click );
      //
      // statusBar
      //
      this->statusBar->Location = System::Drawing::Point( 0, 146 );
      this->statusBar->Name = "statusBar";
      this->statusBar->Size = System::Drawing::Size( 306, 22 );
      this->statusBar->SizingGrip = false;
      this->statusBar->TabIndex = 9;
      this->statusBar->Text = "(no status)";
      //
      // loadAsyncButton
      //
      this->loadAsyncButton->Location = System::Drawing::Point( 149, 53 );
      this->loadAsyncButton->Name = "loadAsyncButton";
      this->loadAsyncButton->Size = System::Drawing::Size( 147, 23 );
      this->loadAsyncButton->TabIndex = 10;
      this->loadAsyncButton->Text = "Load Asynchronously";
      this->loadAsyncButton->Click += gcnew System::EventHandler( this, &SoundTestForm::loadAsyncButton_Click );
      //
      // SoundTestForm
      //
      this->ClientSize = System::Drawing::Size( 306, 168 );
     this->BackColor = System::Drawing::Color::White;
      this->Controls->Add( this->loadAsyncButton );
      this->Controls->Add( this->statusBar );
      this->Controls->Add( this->playLoopAsyncButton );
      this->Controls->Add( this->stopButton );
      this->Controls->Add( this->playOnceAsyncButton );
      this->Controls->Add( this->playOnceSyncButton );
      this->Controls->Add( this->loadSyncButton );
      this->Controls->Add( this->label1 );
      this->Controls->Add( this->selectFileButton );
      this->Controls->Add( this->filepathTextbox );
      this->MinimumSize = System::Drawing::Size( 310, 165 );
      this->Name = "SoundTestForm";
      this->SizeGripStyle = System::Windows::Forms::SizeGripStyle::Show;
      this->Text = "Sound API Test Form";
      this->ResumeLayout( false );
   }
};

////////////////////////////////////////////////////////////////////////////////////////////

//#include "stdafx.h"
#include "P1.cpp"

int main()
{
Application::Run( gcnew SoundTestForm);

}