unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Bass;

type
  TForm1 = class(TForm)
    Edit1: TEdit;
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure Edit1KeyPress(Sender: TObject; var Key: Char);
  private
    StreamHandle: HSTREAM;
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
  if BASS_Init(-1, 44100, 0, Handle, nil) then
  begin
    StreamHandle := BASS_StreamCreateFile(False, PChar('c:\Windows\Media\tada.wav'), 0,
      0, 0 {$IFDEF UNICODE} or BASS_UNICODE {$ENDIF});
  end;
end;

procedure TForm1.FormDestroy(Sender: TObject);
begin
  BASS_StreamFree(StreamHandle);
  BASS_Free;
end;

procedure TForm1.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
  BASS_ChannelPlay(StreamHandle, True);
end;

end.