Tagtraum (Daydream) is a Live CD + DVD release by German electronical musician, composer and producer Christopher von Deylen under his Schiller alias. The CD contains several live recordings of the tracks found on the 2005 Schiller album Tag und Nacht. Recorded during Schillers 2006 'Tag und Nacht' tour.
DVD 1 holds additional music videoes for 5 tracks, a documentary about Schiller's gig in Athen (specially invited by Depeche Mode), official music videoes for the singles released in connections with the 'Tag und Nacht' album, Making of's and a photo album. The second DVD features an entire live concert - 120 minutes Schiller live in Germany.

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