Comment by AnotherGoodName

Doctor Who's original 1960's intro is in a similar vein of "wait a minute, how'd they do that in that year?". This predated any commercial synthesisers and was mind blowing for its time.

https://www.youtube.com/watch?v=75V4ClJZME4

https://www.effectrode.com/knowledge-base/making-of-the-doct...