The UK ensemble Apartment House commissioned this work from composer & experimenter Jim O'Rourke based on their performance of other O'Rourke works, here interpreting a new graphic score designed like a sonic mobile, creating a minimal yet episodic piece of flexible interpretation as the performers whistle, hum and quietly sing in combination with bowed harmonics.

Commissioned by Another Timbre for the quarantine commissions series, Hlaholika was developed by composer Adrián Demoč for the Apartment House ensemble as a quintet of violin, double bass, clarinet, viola & piano, using the configurations for 3 other works performed here by Apartment House; plus a piece for an ensemble from the Janacek School of Music in the Czech Republic.

The 4th album on Another Timbre from a series of pieces by composer Antoine Beuger, each acknowledging a cultural or intellectual figure, here titled for philosopher, musicologist, educator and one-time member of the French Resistance, Vladimir Jankélévitch, represented by Beuger in a large dramatic work performed by the Apartment House sextet.

The UK Apartment House ensemble perform four chamber works or lyrical ballads of slowly meandering melody, referenced as slow dances, by Toronto composer Martin Arnold: "Lutra" for solo cello & humming; "Stain Ballad" for a sextet of strings, piano, reed organ & percussion; "Trousers" for violin & cello; and "Slip" for cello, violin, bass clarinet & piano.

Five fascinating works by the Belgian composer Maya Verlaak, realized by Apartment House and soloists Sarah Saviet & Mark Knoop, experimental compositions including a work of personal reflection based on "Alouette"; a conceptual game piece; a composition layering pre-recorded segments of "Greensleaves"; and two interactive acoustic & computer pieces.

Apartment House play five chamber pieces by American outsider composer Luiz Henrique Yudo, most of whose works are transcriptions into sound of existing artworks, including three short pieces with dedication, the 5 part and quirky "Five Palindromes" and followed by an extraordinary long work based on the patterns in colour artworks, "The Donald Judd Harmonies".

London's Apartment House in a quintet configuration performs four chamber works by Slovakian composer Adrian Democ, plus the Czech ensemble Ostravska Band / Fama Q performing one composition; gentle music of deceptive simplicity, using color, shade and hue through unique orchestration, his works built upon creative foundations steeped in historic reference.

Nine compositions from Ryoko Akama commissioned by Another Timbre while she was doing research at the Krzysztof Kieslowski archive in Poland, the scores based on fragments of notes and objects from that archive, realized here by the Apartment House ensemble as a beautiful set of floating works invoking "clouds, as shape, as light, as colour, as body, as element".

Violinist Mira Benjamin requested British composer James Weeks write a long-duration piece for her, Weeks evoking the image of a violin alone in a remote hill played only by the wind, using an evolving palette of timbral and harmonic material resolving with long sequences of Just Intonation three-part chords, Benjamin also whistling and singing softly.

A live recording of Julius Eastman's 1974 work "Femenine" performed by Apartment House led by cellist Anton Lukoszevieze, with Simon Limbrick on vibraphone, Kerry Yong on piano, Mark Knoop on keyboard, Mira Benjamin on violin, and Gavin Morrison and Emma Williams on flute, an ecstatic and intricate work using a repeating figure contrasted with both asynchronous and complementing backgrounds.

Four fragile and mostly minimal works by Victoria-based composer Alex Jang, performed by the Apartment House ensemble, with solo pieces by Heather Roche on clarinet + field recordings, one with Cristian Alvear on guitar, an acoustic quintet, and "any three players" designed for any mix of instrumentation, here on melodica, vibraphone & cello.

Two ensemble works and two solo pieces by Christian Wolff's favourite contemporary composer, Cassandra Miller, who is blazing a very personal trail through the experimental music world, with brilliant performances by Apartment House, Mira Benjamin, Philip Thomas, and Charles Curtis with the BBC Scottish Symphony Orchestra, conducted by Ilan Volkov.

Ten pieces dating from 1995 to 2015 from Canadian composer Linda Catlin Smith, performed by Quatuor Bozzini and Apartment House, the first in Another Timbre's Canadian Composer series, a 2-CD release focusing on Smith's "equal and simultaneous drive toward abstraction and lyricism" in slowly developing, lush and sophisticated compositions.

The Quatuor Bozzini string quartet dedicate this double CD to emerging artists in a collection of miniatures written in 2011 by emerging composers for the QB's annual Composer's Kitchen event.