Hardest and Easiest opeth songs...Guitar-wise..!!!

The most important thing is to be able to play the song so all the notes ring clearly, are ringing for the right amount of time, are on beat.. etc.. learning chords is easy, its applying them at is difficult.
 
Leper affinity
Night and the silent water (friend and I played this at a talent show, but lost to a my pals with a boom box)
Bleak
Windowpane
The Moor*
Drapery Falls
Patterns in the Ivy*
Ghost of Perdition*
Forest of October*
Twilight is my robe* (favorite song)
Moonlapse Virtigo*
By the Pain I see in others*

asterix means it's a work in progress and I'm still learning
lol I suck, but I love their music