Show #1583 is primarily famous for the birthing of the Marsupial Gurgle sound that is site is named after. Before that sound was made, Andrew did make a sound that could very well be considered an ancestor to the Marsupial Gurgle:
MP3 | MPEG-4 | MPEG-4 Ringtone
Below are the other clip(s) from the show:
Andrew: “I’m happier with my media options”
MP3 | MPEG-4 | MPEG-4 Ringtone