This should do it. In your worksheet place this code...
Private Sub Worksheet_Change(ByVal Target As Range)
If Target.Address = "$A$1" Then
PlayWavFile "C:\Windows\Media\Microsoft Office 2000\Chimes.wav"
End If
End Sub
In a standard Code Module add this code...
'*******************************************
Private Declare Function PlaySound Lib "winmm.dll" Alias "PlaySoundA" _
(ByVal lpszName As String, hModule As Long, ByVal dwFlags As Long) As Long
Public Function PlayWavFile(WavFile As String) As String
Const SND_ASYNC = &H1
Const SND_FILENAME = &H20000
PlaySound WavFile, 0, SND_ASYNC Or SND_FILENAME
PlayWavFile = ""
End Function
'**************************************************