"There is the theory of the MÃ¶bius band, a region in space where time turns back on itself..."
This work follows the form of the famous MÃ¶bius band or strip, which is a strip that has only one side. More information here and here.
A MÃ¶bius band can be easily constructed by taking a strip of paper, twisting it once, and joining the ends together. If you draw a line along it, you will see that it only has one side. The music in this piece is similarly constructed: it has a "twist" in the middle that turns the music upside-down, and starts to run backwards.
European Union Chamber Orchestra, Christ's Hospital, Autumn 1994.