Because there's an app called Shazam that you can use to identify songs, just in case someone reading this doesn't know about it.
Mary probably should have never installed it on her phone.
Boilerplate:
The Real Superheroines of Hive Valley is a webcomic about a reality television show following the lives of seven public domain superheroines that all live together in the same mansion in the elite community of Hive Valley.
You can read the series from the beginning ---> HERE.
Created in Clip Studio Paint Pro on my mobile art studio which is a Microsoft Surface Pro 4. Here is the time lapse video:
