Marilyn Mazur’s work has always expressed a free-spiritedness beyond idioms and borders. Born in New York, raised in Denmark, she has contributed powerfully to improvisation on both sides of the Atlantic, and her resume has included stints with Miles Davis, Wayne Shorter and Gil Evans as well as 14 years on the road with the Jan Garbarek Group. In recent years her own groups have been the primary focus and the adventurous, song-oriented “Celestial Circle” has been active since 2008. The present disc is the group’s first recording. Material intersperses songs and instrumentals penned by Mazur with collectively improvised trios and duos. Singer Josefine Cronhom (who previously worked with Mazur in the Percussion Paradise ensemble) has her ECM debut here and old friends John Taylor and Anders Jormin make welcome returns.