#1
Honestly, I've been trying to figure out the key that it was written. A little help would be appreciated. Please and Thank You
#2
I think the main riff is centred on F sharp minor but that is very loose due to all the chromatic notes.

It could modulate throughout though.
#3
most of it is in Bmaj and variations on that
Awesome Bands


Dream Theater
Led Zeppelin
Porcupine Tree
Muse
Tool
King Crimson
Pink Floyd