01011001 (2008) is the seventh full-length studio album by Dutch progressive rock/metal rock opera project Ayreon. Here is a studio album to feature the voice of every primary vocalist to appear on the album. The cast of which is:
Arjen Anthony Lucassen (Ayreon)
Anneke van Giersbergen (The Gathering)
Jonas Renkse (Katatonia)
Floor Jansen (After Forever)
Bob Catley (Magnum)
Magali Luyten (Beautiful Sin)
Jorn Lande (Beyond Twilight)
Tom Englund (Evergrey)
Hansi Kürsch (Blind Guardian)
Daniel Gildenlöw (Pain of Salvation)
Steve Lee (Gotthard)
Simone Simons (Epica)
Phideaux Xavier (Phideaux)
Wudstik (For All We Know)
Marjan Welman (Autumn)
Liselotte Hegt (Cirrha Niva)
Ty Tabor (The Jelly Jam)
