Germany's famed Wacken Open Air festival is scheduled for August 4th - 6th in Wacken (about one hour outside of Hamburg).

The latest acts confirmed for the festival are GHOST, THE MURDER OF MY SWEET, BLECHBLOSN, MAMBO KURT, SKYLINE and W:O:A FIREFIGHTERS.

Organizers have updated the preliminary running order. From today on all W:O:A stages are online.

"As always we did our best to create the most exciting billing possible. Times, as well as the running order tool will be added soon."

Check it out here.

Acts on the sold-out W:O:A 2011 bill include: ACCUSER, ALBERLOUR'S, APOCALYPTICA, AS I LAY DYING, AVANTASIA, BATTLE BEAST, BETONTOD, BLAAS OF GLORY, BLECHBLOSN, BLIND GUARDIAN, BLOWSIGHT, BÜLENT CEYLAN, BULLET, CHILDREN OF BODOM, CRADLE OF FILTH, CRASHDÏET, DANKO JONES, DEADLOCK, DIR EN GREY, ELÄKELÄISET, ENSIFERUM, EXCREMENTORY GRINDFUCKERS, GHOST, HAIL OF BULLETS, HÄMATOM, THE HAUNTED, HAYSEED DIXIE, HEAVEN SHALL BURN, HELLOWEEN, HELLSAW, HORCH, ICED EARTH, IGNIS FATUU, IN SOLITUDE, JUDAS PRIEST, KATAKLYSM, KHOLD, KNORKATOR, KREATOR, KVELERTAK, KYUSS LIVES!, LACRIMAS PROFUNDERE, MAIDEN UNITED, MAMBO KURT, MAYHEM, MOONSORROW, MORBID ANGEL, MORGOTH, MOTÖRHEAD, THE MURDER OF MY SWEET, NEGATOR, ONKEL TOM, ONSLAUGHT, OZZY OSBOURNE, PRIMAL FEAR, THE PROPHECY²³, PUSSY SISSTER, RABENSCHREY, RELIQUIAE, RHAPSODY OF FIRE, RUSSKAJA, SALTATIO MORTIS, SEPULTURA, SEVERENTH, SHINING, SHRAPHEAD, SIRENIA, SKÁLMÖLD, SKELETONWITCH, SKI KING, SKINDRED, SKYLINE, SLIME, SMACK BALLZ, SODOM, STIER, STORMZONE, SUBWAY TO SALLY, SUICIDAL TENDENCIES, SUIDAKRA, TAUTHR, TOKYO BLADE, TORTURE SQUAD, TRIOSPHERE, TRIVIUM, TSJUDER, VAN CANTO, VENOMIN JAMES, VICTIMS OF MADNESS, VISIONS OF ATLANTIS, VOLCANO, VREID, WARRANT, W:O:A FIREFIGHTERS.

For more info visit Wacken.com or the Wacken Open Air Myspace page.

The organizers of the recently sold-out festival have launched the official festival widget. Check out a festival trailer and the widget below: