The music reminds you of the oldest arcade video games. But it's even older than that. Those computer-generated sounds date to 1968. Yes, computers could make music in the late 60s. And other art too.
There is more than a casual link between computer people and musicians. Computers have created music since 1961 when an IBM7094 sang the song Daisy Bell (later inspiring another computer, the HAL 9000 ...