Live recordings during concerts in an empty reservoir on a hill in Zürich in June and September 1999.
Collective personnel:
Jürg U. Grau (trumpet, truempi, percussion), Peter A. Schmid (bass clarinet, alto & soprano saxophone, alto flute, bamboo flute), Philipp A. Zehnder (percussion, toys), Thomas Dobler (vibraphone), Marius Peier (percussion), Carles Peris (bass flute), Peter Böhringer (trumpet), Beat Unternährer (trombone), Robi Rüdisüli (blowing stuff), Matthias Ziegler (piccolo flute).
14 Tracks.