Éna Brennan is a Dublin-based composer, arranger, violinist and graphic designer, originally from Brussels. Since moving to Dublin she has obtained a B.A. in Music and Drama and an MPhil in Composition from Trinity College Dublin, and collaborated with a vast array of artists, weaving in between many of the layers of the Irish music scene. Over the years she has had her work performed by Crash Ensemble, Kirkos Ensemble, RTÉ Concert Orchestra, National Symphony Orchestra, Dulciana Vocal Ensemble, Tonnta Vocal Ensemble, New Dublin Voices and Mornington Singers.

In recent years she has become involved in the world of opera, writing a micro-opera for the Irish National Opera project 20 Shots of Opera as well as a short immersive piece as part of her participation in INO’s artistic development programme, The ABL Aviation Opera Studio. She was also commissioned to write a larger work in collaboration with Sir David Pountney and visual artist Hugo Canoilas, which premiered in August 2024 in partnership with Bregenz Festival and Kunsthaus Bregenz, Austria.