Have any tracks hanging out in your library that were ripped from CD, and therefore include one song, a few minutes of silence, and then a bonus track afterward? Well, this tip—an oldie but a goodie—will show you how to split the two using nothing but iTunes. Simply find out the time code for when the hidden song starts, make sure you have the track selected, go to File > Get Info or hit Command-I on the keyboard, go to the Options tab,…