Rhodri Davies plays harp, electric harp, live-electronics and builds wind, water and fire harp installations. His regular groups include a duo with John Butcher, Broken Consort, Common Objects, SLW, Cranc, Portable, Apartment House, The Sealed Knot and a trio with David Toop and Lee Patterson. In 2008 he collaborated with the visual artist Gustav Metzger on ‘Self-Cancellation’, a large-scale audio-visual collaboration in London and Glasgow. He also performs and researches contemporary music. He has commissioned new works for the harp by: Carole Finer, Michael Parsons, Christian Wolff, Ben Patterson, Mieko Shiomi and Yasunao Tone.

Julia Eckhardt is a musician and organiser in the field of the sonic arts. She is a founding member and artistic co-director of Q-O2 workspace in Brussels, for which she conceptualized various thematic research projects. As a performer of composed and improvised music she has collaborated with numerous artists, and extensively with Éliane Radigue. She has performed internationally, and released a number of recordings. She has been lecturing about topics such as sound, gender and public space, and is (co-)author of The Second Sound, conversation on gender and music, Grounds for Possible Music, The Middle Matter – sound as interstice, and Éliane Radigue – Intermediary Spaces/Espaces intermédiaires.

Musician born in Argentina based in Berlin since 2004. He plays bass clarinet, soprano saxophone, and Sruti Box.He plays mainly self composed and improvised music, focusing in the time experience and the perception experience as main subjects.He works time in the research of constructing no narrative music (no start- no ending- no developments), and perception working sound in it’s most granular characteristics and it´s extremes.

The tuba player and composer Robin Hayward, born in Brighton, England in 1969, has been based in Berlin since 1998. He has redefined the tuba’s potential both in the areas of noise and microtonality, and his compositions for other instruments reflect a similar experimental, medium-specific approach. He has toured extensively both solo and in collaboration, and been featured in such festivals as Maerzmusik, Fri Resonans, Donaueschingen, TRANSIT festival, Ghent Festival of Flanders, Ostrava New Music Days, Sound Symposium, Kiele Tage fur Neue Musik and Wien Modern. Collaborations include such luminaries as Charles Curtis and Roberto Fabbriciani along with leading composers such as Christian Wolff, Alvin Lucier and Eliane Radigue. His approach to the tuba has been documented in the solo CDs Valve Division and States of Rushing, as well as various collaborative releases. In 2005 he founded the ensemble Zinc & Copper Works to explore brass chamber music from an experimental music perspective.

In 2009 Robin Hayward developed the first fully microtonal tuba together with the music instrument manufacturers B&S, and in 2011 published an extensive article on this new tuba in the Galpin Society Journal, tracing its history back to the original tuba patent of 1835. In 2012 he invented the Hayward Tuning Vine, initially as a visualisation of the harmonic space implicit within the microtonal tuba. He has lectured at such institutions as Stuttgart Musikhochschule, Sibelius, UDK Berlin, Dartmouth College and Wesleyan University, and is currently doing a doctorate on the acoustics of the recently developed microtonal tuba at the Technical University in Berlin.