as well as at all attached booking offices and at the box office.
With buying a ticket in advance you retain a seat in the first event at the venue of your choice at 8 p.m..
With your ticket your are allowed to attend all previous or following events of the Kölner Musiknacht 2009 without right of a seat.
The box offices at the venues are opened one hour bevor the first event of the particular venue. Your ticket is also multi-journey ticket for public transportation (Verkehrsverbund Rhein-Sieg).