National Music & Culture Jon Appleton, the composer who helped develop the digital synthesizer, is dead at 83 4:25pm February 11, 2022 by Liam Elder-Connors Music obituaries National Share URL copied to clipboard! Copyright 2022 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered World News National Former Brazilian president indicted over alleged coup plot Education National This year's FAFSA is officially open. Early review says it's 'a piece of cake' 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate
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