The CD “tracings” captures moments of sonic collaborations by Ros Bandt (Australia) and Johannes S. Sistermanns (Germany), two international sound artists. Bandt and Sistermanns performed “A Global Garden for Percy” together in separate hemispheres at the same time through the medium of the global digital bridge for simultaneous international broadcast at “The Listening Room” of ABC Radio Sydney and online for the Melbourne International Festival (Goethe-Institut Melbourne) out of the Grainger Museum Melbourne and the Music Academy Frankfurt. They developed “Sonic Blue Red Tracings”, a multi-media performance work during a residency at University of Wakayama /Japan a sound art performance work using paper and hair-dye. In 2006 ABC Radio commissioned “BYOS Bring Your Own Sounds” a collaborative composition of unexpected sounds from both composers. This CD “traces” the processes, of each work, the tracing and designing of sounds which can be seen and heard from the maps, score and performances. The emergent CD “tracings” embodies these shared concepts, ideas and sonic structures created by these award winning artists. Review at www.realtimearts.net