Archived request from the wiki:

Optigan

• Wikipedia: Optigan
• Family: Electronic instruments
• Description: An electronic keyboard instrument with pre-recorded optical soundtracks to reproduce sound
• Appears on:
  1. It's a Wonderful Life on tracks 1, 2, 6, 8, 11, 12
  2. Frank's Wild Years on tracks 2, 4, 8, 10
  3. Seasoned Eyes Were Beaming Played by Zac Rae on tracks 4 and 8
  4. Tidal, played by Fiona Apple on track 2 and by Jon Brion on track 8
  5. Alas Folkloric, played by Jim Moginieon tracks 3, 11 & 12