Public Declare Function PlaySound Lib "winmm.dll" Alias "PlaySoundA" (ByVal lpszName As String, ByVal hModule As Long, ByVal dwFlags As Long) As Long
Public Function EffectSound(Effect As String) As Long
    On Error Resume Next
    Dim sEffect As String
    sEffect = IIf(Right(App.Path, 1) = "\", App.Path, App.Path & "\") & Effect
    PlaySound sEffect, 0, 0
End Function

Call EffectSound("OO.wav")