The Vienna Philharmonic does not have a music director or any kind of principal conductor. The orchestra is managed by the players themselves. So being asked to guest conduct for more than a single program, and better still being invited to tour with the orchestra, is one of the great honors in the business.
"Time Recyling," in general, is a meditation on the nature of time as we experience it in the 21st century, especially the way the Internet abolishes our sense of past and present. Staar also points out that he "didn't want to get into fantasies about time machines, such as can be found in some (particularly older Hollywood) science fiction films."