Debacle means <span>a sudden and ignominious failure; a fiasco.</span>
The main idea is about different devices or platforms either knowingly or unknowingly forcing the identity that u are know by in everyday life on u all the time despite the fact that, the identity of a person might differ from place to place and mental state to mental state and some people see and feel this and feel limited by it.
If you want to know whether that sentence is punctuated correctly, then you are right - it is.
You need to have a comma after the word range, because that is where the dependent clause ends, and there should be no comma before the conjunction and.
Answer:
the librarian, who was also in a rock band, decided to read a book about playing guitar.
