Archived request from the wiki:

Modular Synthesizer

• Wikipedia: Modular_synthesizer
• Family: Synthesizer
• Description:
• Appears on:
  1. 1978-10-18: Shiba Yubin Chokin Hall, Tokyo, Japan on all tracks except track 1.
• Comments:
  • Note that a Moog is a type of Modular synth. http://www.modcan.com/ has some good photos as well.