Well amazon.com's description says -
Product Description
2007 studio album, the band's 40th release, is a tribute to the late Syd Barrett of Pink Floyd. The lyrics for each song on this album are taken from poems by English and American poets of the 17th and 18th century including William Blake, Thomas Stanley and Walt Whitman. The album was recorded in Berlin and Vienna with music arranged by Edgar Froese who also produced the album. Voiceprint. 2007.