String Trio Magma – sparks of sound for violin, viola and cello (13’) www.hefti.net/en/work/54/ String Quartet Ph(r)asen – string quartet no. 1 (18’) www.hefti.net/en/work/14/ Guggisberg-Variationen – string quartet no. 1 (18’) www.hefti.net/en/work/11/ Mobile – string quartet no. 3 (26’) www.hefti.net/en/work/38/ con fuoco – string quartet no. 4 (12’) www.hefti.net/en/work/41/ Concubia nocte – string quartet no. 5 (9’) music for the second nocturnal vigil www.hefti.net/en/work/72/ Fünf Szenen für Gustav – string quartet no. 6 (16’) www.hefti.net/en/work/81/ String Quartet + An durchsichtigen Fäden – for mezzo soprano and string quartet (30’) to a poem by Kurt Aebli www.hefti.net/en/work/70/ Danse interstellaire – mourning music for basset clarinet and string quartet (23’) www.hefti.net/en/work/57/ Up-to-date as of September 2020 Rückert-Lieder (G. Mahler / arr. D. P. Hefti) – for high voice and string quartet (23’) to poems by Friedrich Rückert www.hefti.net/en/work/75/ String Sextet Monumentum – music for string sextet (19’) 2 Vl, 2 Vla, 2 Vcl www.hefti.net/en/work/55/ Piano Pieces Schattenklang – adagio for piano (12’) www.hefti.net/en/work/19/ Beethoven-Resonanzen – piano piece no. 2 (11’) www.hefti.net/de/werk/42/ Resonanzen II – piano piece no. 3 (5’) www.hefti.net/en/work/63/ Ritmico – piano piece no. 4 (3’) www.hefti.net/en/work/68/ Duo with Piano Poème lunaire – for viola and piano (9’) www.hefti.net/en/work/10/ Poème noctambule – for violin and piano (14’) www.hefti.net/en/work/25/ Up-to-date as of September 2020 Trio with Piano à la recherche... – for clarinet, viola and piano (17’) www.hefti.net/en/work/67/ Lichter Hall – trio no. 2 for violin, violoncello and piano (9’) www.hefti.net/en/work/47/ Melencolia I – for flute, percussion and piano (20’) www.hefti.net/en/work/22/ Schattenspie(ge)l – trio for violin, violoncello and piano (25’) www.hefti.net/en/work/20/ Quartet with Piano Interaktionen – for violin, viola, violoncello and piano (13’) www.hefti.net/en/work/40/ Solo Pieces 12 Fantasien – for flute solo (16’) www.hefti.net/en/work/60/ Canto – for bass clarinet solo (7’) www.hefti.net/en/work/44/ con anima – mosaic for viola solo (7’) www.hefti.net/en/work/58/ DIARIUM – for violin solo (15’) www.hefti.net/en/work/29/ Klangscherben – mosaic for violoncello solo (10’) www.hefti.net/en/work/39/ Up-to-date as of September 2020 Modules – for flute solo (10’) www.hefti.net/en/work/52/ O, star! – mosaic for clarinet solo (11’) www.hefti.net/en/work/24/ O, star! II – mosaic for saxophone solo (11’) www.hefti.net/en/work/23/ Ritus – 4 dance collages for violoncello solo (11’) www.hefti.net/en/work/16/ Rotationen – mosaic for oboe solo (11’) www.hefti.net/en/work/8/ Chamber Music with Winds Counterpoints on “come, sweet death” – for 3 clarinets (11’) Clarinet, Bassethorn, Doublebass Clarinet www.hefti.net/en/work/7/ Gallicinium – music for the fourth nocturnal vigil for wind quintet (15’) www.hefti.net/en/work/78/ Mormorando – music for flute, oboe, clarinet and bassoon (10’) www.hefti.net/en/work/77/ (T)raum–Ze(n)it – dialogue for 2 bass clarinets (3’) www.hefti.net/en/work/12/ Vocal Chamber Music An durchsichtigen Fäden – for mezzo soprano and string quartet (30’) to a poem by Kurt Aebli www.hefti.net/en/work/70/ Up-to-date as of September 2020 An durchsichtigen Fäden – for mezzo soprano and violoncello (30’) to a poem by Kurt Aebli www.hefti.net/en/work/51/ Bergwärts – 3 aggregate states for soprano, flute, violin, violoncello and piano (17’) to a poem by Felix Philipp Ingold www.hefti.net/en/work/35/ E las culurs dals tuns – song cycle for baritone and piano (18’) on Romansh texts by Bibi Vaplan www.hefti.net/en/work/66/ Hamlet-Fragment – for vocal ensemble (13’) to a poem by Friedrich Nietzsche 2 Sop, Mezzo, Ten, Bar, Bass www.hefti.net/en/work/50/ Rosenblätter – song cycle for medium voice and piano (25’) to poems by Rose Ausländer www.hefti.net/en/work/15/ Rückert-Lieder (G. Mahler / arr. D. P. Hefti – for high voice and string quartet (23’) to poems by Friedrich Rückert www.hefti.net/en/work/75/ Various Instruments Mondschatten – for violin and marimba (15’) www.hefti.net/en/work/18/ Up-to-date as of September 2020 Cadenzas to the Concert Rondo for piano and orchestra, KV 382, by W. A. Mozart (2’) www.hefti.net/en/work/21/ to the clarinet concerto in Bb Major by Johann Stamitz (1’+1’) www.hefti.net/en/work/17/ Up-to-date as of September 2020 .