sentence: track listing personnel ; iron savior piet sielck lead vocals , guitar , backing vocals joachim '' piesel '' küstner guitar , backing vocals andreas kück keyboards , backing vocals jan-sören eckert bass , backing vocals thomas nack drums and percussion ; additional musicians rolf köhler backing vocals ; production piet sielck producer , engineer , mixing , mastering , cover artwork concept , booklet concept iron savior additional production marisa jacobi graphic design jo kirchherr photography additional information drums and percussion recorded at hammer musik studio , hamburg in october 2001 .