Chantal Francesca Passamonte[1] (28 October 1969 – 25 March 2022), known professionally as Mira Calix (/ˈmɪrə ˈkeɪlɪks/ MIRR-ə KAY-liks[2]), was a South African-born, British-based audio and visual artist and musician signed to Warp Records.

[6] Calix's earlier music specialised in mixing her intimate vocals with jittering beats and experimental electronic textures and natural sounds.

Nunu premiered at the Royal Festival Hall in London at a concert titled "Warp Works and 20th Century Masters".

Calix had a long history of creating works presented as installation, film, theatre, and dance, as well as more traditional concerts and musical performances.

During 2007 there were two theatrical works; the first, an opera titled Elephant and Castle, for the Aldeburgh Festival, was a collaboration with composer Tansy Davies, directed by Tim Hopkins, libretto by author Blake Morrison.

The installation piece, inspired by Gregorio Allegri's 17th century choral work Miserere, is a collaboration with British video artists Flat-E.

The installation piece, which was also exhibited at Durham Cathedral and The Wapping Project, won an Award of Distinction in the Interactive Category at Prix Ars Electronica in 2010.

In 2009, she contributed a cover of a Boards of Canada song, "In A Beautiful Place Out in the Country", featuring cellist Oliver Coates, to the Warp20 compilation.

"Nothing Is Set In Stone" was presented by the Mayor Of London and Oxford Contemporary Music in partnership with the Natural History Museum and was situated at Fairlop Waters.

Her multi-sensory artwork consisted of 180 channel orchestral score and spoken word diffused through custom made speakers incorporated into 1.5 km of hand crushed paper.

In 2016, Calix presented Moving Museum35, a multichannel mixed media sound artwork installed in a commuter bus in Nanjing, China.

In 2017, Calix wrote the scores for two productions in the Royal Shakespeare Company's Rome Season directed by Angus Jackson: Julius Caesar for brass and electronics and Coriolanus for string quartet and soprano.

In 2018, Calix created "viccissitude of the divided and united", a score for choir presented as a large scale multichannel sound and light installation in collaboration with Tom Piper.

She chose to use the text of the remarkable but forgotten poet Mary Borden to connect the geopolitical turbulence of that period and the divisiveness of the current climate.

In 2019, Calix presented a multidisciplinary performance and installation artwork at Bozar in Brussels in response to artist Michelangelo Pistoletto's "Third Paradise" project.

In 2021, Calix exhibited "16 weeks", an audio visual artwork part of a series of works based on the signification of data, at Mimosa House, London.