During a week in April 2017 John Zorn travelled to Paris, where he performed several concerts including "The Interpretation of Dreams", presented an evening with guests, and performed solo on the organ at the Grande salle Pierre Boulez, the full concert of which is presented on this CD, along with 30 minutes of recordings made before the evening's concert.

Tzadik's new Spectrum series begins with the collaboration of 3 legendary NY performers--Wadada Leo Smith (trumpet); George Lewis (trombone); John Zorn (alto sax)--in 8 technically superb and joyfully unique compositions and collective improvisations.