http://www.rockband.com/forums/showthread.php?t=50567 Prog Rock Albums Pt. I
http://www.rockband.com/forums/showthread.php?t=50814 Prog Rock Albums Pt. II
http://www.rockband.com/forums/showthread.php?t=50818 Prog Rock Albums Pt. III
http://www.rockband.com/forums/showthread.php?t=51221 Prog Rock Albums Pt. IV
http://www.rockband.com/forums/showthread.php?t=51226 Prog Rock Albums Pt. V
http://www.rockband.com/forums/showthread.php?t=62925 Prog Rock Albums Pt. VI
http://www.rockband.com/forums/showthread.php?t=65365 Prog Rock Albums Pt. VII
http://www.rockband.com/forums/showthread.php?t=113261 Prog Rock Albums Pt. VIII
http://www.rockband.com/forums/showthread.php?t=50786 Prog Metal Albums
http://www.rockband.com/forums/showthread.php?t=62898 Prog Metal Albums Pt. II
http://www.rockband.com/forums/showthread.php?t=65006 Prog Metal Albums Pt. III

just to clean it up a lil

Explanation:
Each Thread contains 10 albums by 10 progressive rock bands each with 2 tracks off of each album to listen to. Multiple votes are allowed. If you choose none, then you dont select any. Check them out!

Prog #1 Bands
Yes
King Crimson
Frank Zappa
Nektar
Camel
the Moody Blues
Genesis
Alan Parsons Project
Porcupine Tree
Atomic Rooster

Prog #2 Bands
Rush
Renaissance
Kansas
Gentle Giant
Jethro Tull
Focus
Ambrosia
Triumvirat
Kingston Wall
Emerson, Lake, & Palmer

Prog #3 Bands
Mars Volta
Marillion
Caravan
Van Der Graaf Generator
Hawkwind
Family
Soft Machine
Supertramp
Pink Floyd
The Nice

Prog #4 Bands
Captain Beefheart
Traffic
Premiata Forneria Marconi
Area
Electric Light Orchestra
Curved Air
Toto
Spock's Beard
Asia
Crazy World of Arthur Brown

Prog #5 Bands
It's A Beautiful Day
Mike Oldfield
Banco del Mutuo Soccorso
IQ
Faust
Roxy Music
Styx
Love
the Beatles
Queen

Prog Metal
Uriah Heep
Opeth
Dream Theater
King's X
Queensryche
Symphony X
Fates Warning
Epica
X Japan
Trans-Siberian Orchestra

Prog Metal 2
Ayreon
Into Eternity
Pain of Salvation
Wintersun
Dream Theater
Uriah Heep
Symphony X
Tool
Vanden Plas
Orphaned Land

Prog #6 Bands
Genesis
Alan Parsons Project
Rush
Yes
King Crimson
Utopia
Hatfield And the North
Can
the Flower Kings
Starcastle

http://www.rockband.com/forums/showthread.php?t=51184 JukeBoxHero's Progressive Rock/Prog Metal/Prog Death Metal thread!!! check it out, he did a fantastic job