Usually, you will know little to nothing of the bikes history. We also want to spend as little as possible on this bike until we know if the engine and all the gears work. Just shifting through the gears by hand is not good enough.
This overview showcases a few of the most significant developments in synthesizer history. It may surprise you to learn that the earliest seeds of modern electronic synthesizers began in the twilight years of the 19th century. In 1896/1897, an American inventor named Thaddeus Cahill applied for a patent to protect the principle behind an instrument known as the Telharmonium, or Dynamophone.
In the 1970s, electronic music began having a significant influence on popular music, with the adoption of polyphonic synthesizers such as the Yamaha GX-1 and Prophet-5, electronic drums, and drum machines such as the Roland CR-78, through the emergence of genres such as krautrock, disco, new wave and synthpop.