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Title:	Contrail Vibro Hypno
Format:	A laptop based musical performance performed by sound group CONTRAIL. Digitally manipulated aircraft and aviation related sounds
Medium:	Loop sequencing software. Two vibrating folded metal panels
Exhibition:	ACMA Waveform conference_University of Western Sydney, Sydney Australia 2001

Title:	The Zone
Format:	A series of site recordings and audio manipulations derived from a coastal industrial site in Sydney. Performed by sound group CONTRAIL
Medium:	Digital audio sequencing software manipulation and composition
Exhibition:	Independent CD releases. Click on the contact link to email the artist for availability

Title:	The Denuded Zone
Format:	A laptop based musical performance by sound group CONTRAIL. Digitally manipulated found sounds
Medium:	Loop sequencing software. Two vibrating folded metal panels. Fragments of industrial paint vibrating in upturned audio speakers.
Exhibition:	Impermanent Audio Live Performances_Sydney Australia 2001

Title:	Sound Design
Format:	CD, Mini Disk & Mini CD formats
Medium:	Loop sequencing software & composition
Exhibition:	Independent CD releases. Click on the contact link to email the artist for availability

Sub bass transducers are employed by Mark Brown and with sound group CONTRAIL to create pure vibration and sonic translations and mediation

Title:	Solargig
Format:	A laptop based musical performance by sound group CONTRAIL. Digitally manipulated found sounds, bass guitar and vibrating metal panels
Medium:	Loop sequencing software. One vibrating folded metal panel.
Exhibition:	Appliance Live Performance event_Solarch, Sydney Australia 2001

Title:	Solarstage
Format:	A live solo laptop & instrumental musical performance by Mark Brown.
Medium:	Loop sequencing software. Vibrating folded metal panels. Digitally manipulated found sounds and various musical instruments
Exhibition:	Appliance Live Performance event_Solarch, Sydney Australia 2001

Title:	Metaklang live
Format:	Live sound performance with live performances by Melbourne based SNAWKLOR & Sydney based group CONTRAIL.
Medium:	Laptop based sequencing software. Projection of GPS location, temperature, humidity, time, date and water temperature from site of field recordings used in composition
Exhibition:	Metaklang_RMIT Gallery, Melbourne Australia 2003

Portasonde is a mobile site specific 3D sound field unit and media platform designed and developed by artists Mark Brown, Allan Giddy & Jamil Yamani and dLux Media Arts It involves a retrofitted camper van housing the facilities required to produce surround sound audio and video compositions which can be played back from the unit through a 5.1 surround sound audio matrix. The mobile unit can be transported to a given site and deployed. Conceptually the Portasonde field unit has been developed specifically to explore audio visual composition that is geared towards a 'site specific' approach to the place in which it is deployed. The projects and works developed in the field unit will be produced with a view to critiquing and incorporating the phenomenology of the particular place or site of deployment. It can also be a collaborative facility whereby the artists operating the unit inhabit an autonomous space for creative exploration in the critique of site through sound and vision. Video material will be projected back onto the site of deployment and thus bring a site specific visual and cinematic element into play.

Emerging in the early 90s still stained with the carbon wit of years spent in the dark satanic mills of Dickensian Newcastle, Australia, Contrail have collaborated on various musical projects as well as sharing a common interest in all things aeronautical. Contrail explores the transmission of acoustic sound and vibration through solid materials and mediums. We hear the audio results of the transmission or mediation of sound through various materials and structures -Ghost sounds. Digital sampling and layering techniques extract sonic bi-products and sediments. Contrail use industrial steel fixtures in the performance to produce an audio effect, like any digital effect or analogue unit. The mediation of digital signal through steel and fragments of detritus from a particular site brings immediacy and physicality to the sound..

Through our digital sound compositions we hope to reinvigorate 'sensors' once honed to the perception of states of reverie and reflection that the chaos of life and work have quarterised Contrail are artist/musician Mark Brown and musician Ian Randall.