[video]

Mandala / PureJoy performance at SIGGRAPH 2006, in the Computer-Mediated Performance area of the SIGGRAPH Art Gallery :: Mandala visualization software for structured improvisation, acoustic instruments and PureJoy/AudioPint platform for expressive sound play

David Merrill, Ben Vigoda, Shawn Hershey, Erik Nugent, John Rice, Chris Scharl, Bret Bjurstrom and Joe Rothermich

• Never Grumbling But Sometimes (machine-generated arrangement of Ben Vigoda's piece, performed on acoustic instruments)
• EMI at MIT workshop recap (discussion of the John Zorn residency with the inventmusic crew in 2004)
• Discussion of standard Jazz Improvisation
• Swing Gitane (performance with acoustic instruments as an example of Jazz Improvisation)
• Discussion of Games for Song (GfS is Vigoda's book of musical activities)
• Performance of 'Hey' game (demonstration of standard "around-the-circle" improvisation)
• Discussion of history of Game-Based Musical Improvisation
• Leonard Bernstein, Lerdahl and Jackendoff (hierarchical representation of music)
• Grilled Cheese Sandwich example (hierarchical task organization)
• Timeline to Tree: Scoring the Beastie Boys' Jimmy James
• Discussion of PureJoy musical interface
• Performance with PureJoy / Mandala (directed by Mandala, executed with Purejoy/AudioPint)

Musicians:

• Shawn Hershey - Acoustic and Electric Trumpet
• David Merrill - PureJoy/AudioPint
• Erik Nugent - Voice, Slide Bagpipe, and Other Musical Constructions
• John Rice - Acoustic and Electric Bass,
• Chris Scharl - Acoustic and Electric Percussion
• Ben Vigoda - Acoustic and Electric Guitar
• All - PureJoy/AudioPint.

Designers:

• Bret Bjurstrom - Artwork
• Shawn Hershey - Mandala Code
• David Merrill - PureJoy/AudioPint
• Joe Rothermich - Mandala Easy Button Hardware Interface
• Ben Vigoda - Mandala Code and Principal Agitator.