A uniquely voiced dialog between two skilled improvisers -- Christiane Bopp on trombone and Jean-Luc Petit on bass clarinet & soprano sax -- bringing experience and technique to improvisations that push their instruments into extreme territory yielding fantastic and original language while keeps their listeners on the edge of their seats.

Known mostly as a masterful improviser, this 2015 live performance of her 2009 work for a tenet crosses compositional and improvisation boundaries, reflecting on her 40 year career while bringing out new subtleties from its original release, here with a superb set of performers.