AMCS - the Advanced Music Construction System - tutorial 062017q - Introduction to Track Mixer Levels, Presets and Preset Automation. This video introduces a simple use of the Track Mixer in the AMCS system, running on a Wondermedia netbook and screen view of the Acorn Archimedes A3000 computer. Both platforms demonstrate how light the system is with portability and processing power (the A3000 has an 8MHz ARM CPU).