The soundtrack to the documentary Loving Highsmith about thriller novelist Patricia Highsmith, with music composed by Belgium guitarist Noël Akchoté along with pieces by Cole Porter, Mancini, Johnny Mercer, Frank Sinatra, Hildegard von Bingen, Carl Fischer, &c, presented in two CDs, one each of duets between Akchoté and New York guitarists Mary Halvorson and Bill Frisell.

"March" refers to the foundation of repurposed march rhythms NY drummer Tomas Fujiwara employs for the compositions in his second release with his Triple Double sextet, actually two trumpet-guitar-drum trios brilliantly interacting, with fellow drummer Gerald Cleaver, both Mary Halvorson & Brandon Seabrook on guitar and Taylor Ho Bynum on cornet & Ralph Alessi on trumpet.

An innovator in integrating pedal steel guitar into modern improvised music, Cleveland-born, Baltimore-based pedal steel guitar player Susan Alcorn's quintet enlists a superb set of New York players--Mark Feldman on violin, Michael Formanek on double bass, Mary Halvorson on guitar, and Ryan Sawyer on drums--taking on a diverse set of Alcorn compositions.

2019 Record Store Day release, a 7" from trumpeter Dave Douglas in two different configurations: the lead track from his album "Engage" featuring guitarist Jeff Parker and cellist Tomeka Reid along with Anna Webber, Nick Dunston & Kate Gentile; and a B-Side from 2018's "Uplift" featuring Joe Lovano and Bill Laswell alongside Mary Halvorson, Julian Lage, and Ian Chang.

The first release from the NY/West Coast trio of Tomas Fujiwara on drums, Ben Goldberg on clarinet, and Mary Halvorson on guitar, a collaborative improv of lyrical and nuanced improv, using great skill and sophistication in dialog that takes unexpected twists and turns.

The 1st of 3 releases documenting composer/cornetist Taylor Ho Bynums' Navigation project, in 2 CDS of studio recordings with his Sextet: Jim Hobbs on saxophone, Bill Lowe on trombone & tuba, Mary Halvorson on guitar, Ken Filiano on bass, and Tomas Fujiwara on drums & vibraphone.

Composer/saxophonist Braxton performed "Composition NO 347 + 62'37" " at the 2011 Victo Festival with the "super-group" of Braxton alumni - Mary Halvorson, Taylor Ho Bynum, Jessica Pavone, Jay Rozen, Aaron Siegel, Carl Testa", on their respective instruments + iPods.

Presenting compositions from all three players, the NY-based trio of Kirk Knuffke (cornet), Mary Halvorson (guitar) & Matt Wilson (drums) this exceptional trio play a stripped down, rocking blend of free form improvisation.

Joe Morris wrote this book to discuss aspects of free music, including responses to his questionnaire written by Joe McPhee, William Parker, Jamie Saft, Ken Vandermark, Marilyn Crispell, Nate Wooley, Jack Wright, Matthew Shipp, &c.

The first recording of Ho Bynum's new sextet, with guitarist Mary Halvorson and drummer Tomas Fujiwara, augmented by bassist Ken Filiano, saxophonist Jim Hobbs, and tubist/bass trombonist Bill Lowe, in a 4-part suite.

An encompassing modern guitar compilation curated by Elliott Sharp with pieces from Henry Kaiser, Nels Cline, Scott Fields, Mary Halvorson, Janet Feder, Kazuhisa Uchihashi, Mick Barr &c. &c.!

Braxton's Diamond Curtain Wall Trio with Mary Halvorson and Taylor Ho Bynum live using laptop and interactive electronics at the 24th Festival International de Musique Actuelle de Victoriaville.