System.Media.SoundPlayer sp = new System.Media.SoundPlayer();
                sp.SoundLocation = @"D:\tmp\wav\1.wav";
                sp.PlaySync();
                sp.SoundLocation = @"D:\tmp\wav\2.wav";
                sp.PlaySync();
                sp.SoundLocation = @"D:\tmp\wav\3.wav";
                sp.PlaySync();
                sp.Dispose();