GUITAR PLAYERS: Watch this video?

So, watch this video of a guitar cover of a pop-punk song.

My question is, how “hard” is this song?

Also. Watch especially from 0:52 to 1:02
How hard is THAT part in particular? More difficult than the other parts of the song? By how much?

[media=https://youtu.be/HttzPQK_FTU]