Trying to make a list of the 300+ greatest progressive rock songs. In need of help?

Any songs I should add?
Genesis – White Mountain, The Knife, The Musical Box, The Return of the Giant Hogweed, The Fountain of Salmacis, Watcher of the Skies, Get ‘em out by Friday, Supper’s Ready, Dancing with the Moonlit Knight, Firth of Fifth, The Battle of Epping Forest, The Cinema Show, The Lamb Lies Down On [...]

Anyone wanna add to this list?

Alright so I’m starting a list of BANDS. I’m talking about metal, alternative, thrash, hard rock, rock, death or anything else in that category. I try to stay in a twenty year radius for the age of the band. So here’s what I’ve got so far:
System of a Down
Rise Against
Mudvayne
Rage Against the Machine
Thrice
Silver Sun Pickups
Slipknot
Nirvana
Nickleback
Atreyu
Nonpoint
Plain [...]