import win32com.client

def main():
    
    from_quote = u'\xb4'
    to_quote = "'"
    iTunes = win32com.client.gencache.EnsureDispatch("iTunes.Application")
    library = iTunes.LibraryPlaylist
    tracks = library.Tracks
    track_count = tracks.Count
    
    for track_index in range(1, track_count+1):
        track = tracks.Item(track_index)
        if from_quote in track.Name:
            newval = track.Name.replace(from_quote, to_quote)
            print 'replacing', repr(track.Name), 'with', repr(newval)
            track.Name = newval
        if from_quote in track.Artist:
            newval = track.Artist.replace(from_quote, to_quote)
            print 'replacing', repr(track.Artist), 'with', repr(newval)
            track.Artist = newval
        if from_quote in track.Album:
            newval = track.Album.replace(from_quote, to_quote)
            print 'replacing', repr(track.Album), 'with', repr(newval)
            track.Album = newval
       
if __name__ == '__main__':
    main()