Pianist Andrew Butler is an Australian pianist who also works and studied in Berlin. He has worked with Matt Thompson, Steve Newcomb, Miroslav Bukovsky, Ben Foster, Andreas Schmidt, Christian Windfeld and Jon Heilbron. He is an Australian National Jazz Awards Finalist. He currently part of the Ellipsis trio with fellow Australian Jon Heilbron and Danish percussionist Christian Windfeld.

"Jonathan Heilbron is a Melbourne-based musician working within the areas of contemporary classical, orchestral and improvised music. Jon was a Melbourne Symphony Orchestra String Fellow in 2012, and attended the Australian National Academy of Music with full bursary. He has performed with the Melbourne, Tasmanian and Queensland Symphony Orchestra, as well as the Mahler Chamber Orchestra on a German Tour in 2013."

"Christian Windfeld, b.1983, is a Danish Improviser, Composer, Percussionist and educated soloist from The Royal Academy of Music in Aarhus, Denmark.

Since the age of 19 he has build an international career touring all over Europe, North America and Australia and lived in Stockholm, New York and Berlin.

Windfeld has a minimalist but highly expressive approach to the percussive instruments often reducing his set-up to focus on just one instrument e.g. the snare drum to explore its full potential aiming to transcend the general perception of its capabilities.

As a composer he has created pieces and installations to art exhibitions and cross media publications with writers and visual artists.

Windfeld is featured as a leading figure on more than 30 recordings and have so far recorded two solo albums under the alias FØRSTEPERSONENTAL (FIRSTPERSONSINGULAR) the first released in 2014 and the second, ROTUNDA, in autumn 2016 .

He has received a string of honors and grants most notably the prestigious "Young Elite" fellowship awarded to him by the Danish Arts Council in 2015."