Features the high-fidelity Blu-spec CD2 format. [Machine Translation] On the occasion of the 150th anniversary of the Tonhalle Orchestra Zurich in 2018, and with the full cooperation of the orchestra, this is a distribution from a 14-CD box compiled from treasured live recordings stored in the archives of the Swiss Broadcasting Corporation and the Tonhalle Orchestra, which was a guest at the Tonhalle in 2014 Bruckner's Symphony No. 9 by Herbert Blomstedt (live).