About Louisa

Louisa Trewartha (pronounced true-author) is a versatile musician: trumpet player, composer, conductor, educator, and adjudicator.


Louisa completed a BMus in 2010 at the University of Melbourne, and in 2013 studied at the Australian National Academy of Music, mentored by trumpet pedagogues David Elton and Tristram Williams. As an orchestral trumpet player Louisa regularly performs with Orchestra Victoria, and has performed at the Sydney Opera House, Royal Albert Hall, Royal Concertgebouw, Shanghai Concert Hall, and the Berlin Konzerthaus. Louisa has performed with renowned conductors Sir Mark Elder, Simone Young, Christoph Eschenbach, and Barry Wordsworth, and soloists such as Bryn Terfel, Jonas Kauffman, Joshua Bell, and William Barton. In 2022, Louisa became a Yamaha artist.

Louisa completed a Masters in Scoring for Film and Visual Media in 2016 at Pulse College, Dublin, and in 2017 participated in the Australian Composers School with the Tasmanian Symphony Orchestra. She has since been commissioned to write larger ensemble works for groups such as Melbourne Chamber Orchestra, The Royal Welsh College of Music and Drama, The Regional Centre for Culture, and The Mid America Freedom Band, and chamber works for Sydney Symphony Orchestra, Solstice Trio, Duo Eclettico, and Three Shades Black.