Simplify the following text for a Grade 11 native English-speaking person.
Original: The sullen mood and desolate lyricsâ '' `` So go away , leave me alone , do n't bother me '' â '' were unusual for The Beatles at the time but would become characteristic for Harrison .
Simplified: The sullen mood and sad lyricsâ '' `` So go away , leave me alone , do n't bother me '' â '' were unusual for the Beatles at the time but would become characteristic for Harrison .