Hefti has won many prestigious composition competitions and was a pupil of Rihm. These world premiere recordings, conducted by David Zinman and performed by his Tonhalle Orchestra Zurich, are a discovery.

Contents:
- Gegenklang: concerto for cello and orchestra
[01] 1. Flimmernd
[02] 2. Adagio
Thomas Grossenbacher (cello)
Tonhalle Orchestra Zurich / David Zinman

- Bergwärts: 3 aggregate states for soprano, flute, violin, cello and piano to a poem by Felix Philipp Ingold
[03] 1. Fest
[04] 2. Flüssig
[05] 3. Gasförmig
Ensemble Amaltea:
Sylvia Nopper, soprano
Isabelle Schnöller, flutes
Keiko Yamaguchi, violin
Judith Gerster, cello
Eva Schwaar, piano

- Guggisberg-Variationen (string quartet no.2)
[06] 1. Lied (attacca)
[07] 2. Windungen
[08] 3. Reflex(ion)
[09] 4. Lichtkegel
[10] 5. Schattenriss
[11] 6. Idylle
[12] 7. Im/unter Strom
Amar Quartet:
Anna Brunner & Igor Keller, violins
Hannes Bärtschi, viola
Péter Somodari, cello

[13] Poème lunaire, for viola and piano
Michel Rouilly (viola), Bettina Sutter (piano)

[14] Klangbogen, music for orchestra
Lucerne Symphony Orchestra / Michael Sanderling