I know this is not original

[British Viking]

Dream Festival with 7 bands

Act 1 - 7 songs (Epica, Judas Priest)
Act 2 - 7 songs (Edguy, Slayer)
Act 3 - 10 songs (Running Wild, Amon Amarth)
Act 4 - 10 songs (Turisas, Dream Theater)
Act 5 - 14 songs (Grave Digger, Virgin Steele)
Act 6 - 16 songs (Blind Guardian, Manowar)
Act 7 - 20 songs (Iron Maiden, Iced Earth)

Epica -

01 - Obsessive Devotion
02 - Sancta Terra
03 - Chasing the Dragon
04 - Fools of Damnation
05 - Cry for the Moon
06 - Solitary Ground
07 - Divine Conspiracy

Edguy -

01 - Wake up the King
02 - Arrows Fly
03 - Down to the Devil
04 - Theater of Salvation
05 - Out of Control
06 - The Unbeliever
07 - Headless Game

Running Wild -

01 - Prowling Werewolf
02 - Riding the Storm
03 - Black Hand Inn
04 - Blazon Stone
05 - Treasure Island
06 - Branded and Exiled
07 - Conquistadores
08 - Warchild
09 - Under Jolly Roger
10 - Prisoners of Our Time

Turisas -

01 - To Holmgard and Beyond
02 - The Dnieper Rapids
03 - A Portage to the Unknown
04 - Fields of Gold
05 - Five Hundred and One
06 - Among Ancestors
07 - One More
08 - Miklagard Overture
09 - Rasputin
10 - Battle Metal

Grave Digger -

01 - The Grave Dancer
02 - Paradise
03 - Valhalla
04 - Scotland United
05 - Dark of the Sun
06 - Excalibur
07 - The House
08 - Circle of Witches
09 - Grave in No Man's Land
10 - Rheingold
11 - Son of Evil
12 - Battle of Bannockburn
13 - Rebellion
14 - Twilight of the Gods

Blind Guardian -

01 - Time What is Time
02 - Banish from Sanctuary
03 - The Curse of Feanor
04 - Goodbye my Friend
05 - I'm Alive
06 - Blood Tears
07 - Thorn
08 - The Quest for Tanelorn
09 - Noldor
10 - Last Candle
11 - Ashes to Ashes
12 - Somewhere Far Beyond
13 - Majesty
14 - Journey through the Dark
15 - And Then There Was Silence
16 - Lost in the Twilight Hall

Iron Maiden -

01 - Caught Somewhere in Time
02 - 2 Minutes to Midnight
03 - Sea of Madness
04 - Children of the Damned
05 - Strange in a Strange Land
06 - Wasted Years
07 - The Number of the Beast
08 - Run to the Hills
09 - Alexander the Great
10 - Rime of the Ancient Mariner
11 - Hallowed be thy Name
12 - Phantom of the Opera (Why are you not playing this song on the current tour?)
13 - Running Free
14 - Powerslave
15 - Strange World
16 - Sanctuary
17 - Evil that Men Do
18 - The Clairvoyant
19 - Seventh Son of a Seventh Son
20 - Only the Good Die Young

Judas Priest -

01 - Painkiller
02 - Between the Hammer and the Anvil
03 - Metal Meltdown
04 - Touch of Evil
05 - Beyond the Realms of Death
06 - Rapid Fire
07 - Freewheel Burning

Slayer -

01 - Altar of Sacrifice
02 - Raining Blood
03 - Dead Skin Mask
04 - War Ensamble
05 - Captor of Sin
06 - Criminally Insane
07 - Seasons in the Abyss/Angel of Death (Beginning on the last note of SITA)

Amon Amarth -

01 - Bloodshed
02 - Versus the World
03 - Gods of War Arise
04 - Without Fear
05 - Dragons' Flight Across the Waves
06 - Amon Amarth
07 - Runes to my Memory
08 - Prediction of Warfare
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09 - Thousand Years of Oppression
10 - Victorious March

Dream Theater -

01 - Strange Deja Vu
02 - Take the Time
03 - Miracle and the Sleeper
04 - Fatal Tragedy
05 - One Last Time
06 - Home
07 - Pull Me Under
08 - Learning to Live
09 - The Spirit Carries On
10 - Finally Free

Virgin Steele -

01 - Invictus
02 - Through Blood and Fire
03 - Fight Tooth and Nail
04 - A Shadow of Fear
05 - Thy Kingdom Come
06 - Emalaith
07 - Sword of the Gods
08 - Defiance
09 - A Whisper of Death
10 - Noble Savage
11 - Gate of Kings
12 - I Will Come For You
13 - Through the Ring of Fire
14 - Veni, Vidi, Vici

Manowar -

01 - Blood of my Enemies
02 - Call to Arms
03 - Secret of Steel
04 - Hatred
05 - Bridge of Death
06 - Hail and Kill
07 - Metal Daze
08 - Dark Avenger
09 - Blood of the Kings
10 - Revelation
11 - Spirit Horse of the Cherokee
12 - Heart of Steel
13 - Glory of Achilles
14 - Power of thy Sword
15 - Gates of Valhalla
16 - Battle Hymn

Iced Earth -

01 - Travel in Stygian
02 - Wolf
03 - Damien
04 - Reaping Stone
05 - Diary
06 - Pure Evil
07 - Disciples of the Lie
08 - Stand Alone
09 - Creator Failure
10 - Desert Rain
11 - Burnt Offerings
12 - Scarred
13 - Slave to the Dark
14 - A Question of Heaven
15 - Angels Holocaust
16 - Dante's Inferno
17 - I Died For You
18 - Prophecy
19 - Birth of the Wicked
20 - Coming Curse

I figure out I cheated a bit with Slayer...