Deserted Island Toolkit
We’re given an iso file, mounting it reveals a cdda file.
https://wiki.archlinux.org/title/Rip_Audio_CDs
using lame to turn the cdda into an mp3
lame -V0 is/dawgTunes.cdda memes.mp3
The audio file plays a series of morse code characters, decoding it gives us
S0SISNOTTHEAN5W3R