Lesson plan

Optigan

The Optigan (a portmanteau of optical organ) is an electronic keyboard instrument designed for the consumer market. The name stems from the instrument's reliance on pre-recorded optical soundtracks to reproduce sound. Later versions (built under license and aimed at the professional market) were sold under the name Orchestron.

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Article summary

The Optigan (a portmanteau of optical organ) is an electronic keyboard instrument designed for the consumer market. The name stems from the instrument's reliance on pre-recorded optical soundtracks to reproduce sound. Later versions (built under license and aimed at the professional market) were sold under the name Orchestron.

Key claims

  1. release date: 1971 — source: Wikipedia · confidence 0.95
  2. release date: 1962 — source: Wikipedia · confidence 0.95

Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. The record states that the release date is "1971". What evidence would count against this claim?
  3. The record states that the release date is "1962". What evidence would count against this claim?
  4. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  5. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

Bibliography

  1. Wikipedia https://en.wikipedia.org/w/index.php?oldid=1324903848

Key claims and bibliography are generated from the same tracked claims and sources as the article page.