"Christopher Dammann Sextet is a debut record, but it’s by no means a first effort. Bassist, composer, and improviser Christopher Dammann has been making records for about fifteen years, first as a member of 3.5.7 Ensemble and more recently as the leader of Restroy. Throughout that time, he’s also gigged persistently in Chicago, notably as a regular substitute for Brian Sandstrom in the long-lived free improv collective Extraordinary Popular Delusions, and from Charlottesville, VA (between 2010-…