Gillian's works have featured in the Steve Mackey Festival in June 2008, the James MacMillan Festival in April 2009, the Judith Weir Festival in March 2011, the St. Magnus Festival in June of 2011, the Reflections of Debussy Festival in June of 2012 and in the Beethoven Festival in June of 2013. In addition, Gillian has twice written for the BBC Singers where they showcased and recorded her works at the Maida Vale Studios in London. She has also written for the RNCM Symphony Orchestra and had works premiered on Composer's Brand New Days at the Royal Northern College of Music and most recently in October of 2014, and collaborated on dance projects with the Northern Ballet School in Manchester. As a Royal Northern College of Music Gold Medal composer, she was commissioned to write a new work to be premiered in the Gold Medal Competition in June of 2009. Gillian undertook collaborative workshops with the London Sinfonietta in creating a work for small chamber ensemble that was premiered on June 22 at the St. Magnus Festival. Further notable engagements include a premiere of two of her new works at the British Museum, London in July of 2013 during the Royal Northern College of Music Sound Histories Project and a premiere of her baroque trio written for Trio Aporia and performed at the Martin Harris Centre in the University of Manchester in October of 2013.