At the end of 2017 ECM Records, long a holdout against streaming, finally released its entire catalog online. Two ECM artists, guitarist Young and clarinetist Rothenberg, picked ten lesser-known tracks from the vast assembly of jazz, improvisation, and world music releases on the label to share with listeners and to discuss. Is there a definite ECM sound? Is that a myth? How does this music fit into our contemporary oversaturated landscape?