Music Composers Unite!
I grew up in the era before video games. I remember the very first video game that ever came out and played it, Pong, which was a very primitive version of tennis. But it was great at the time! A lot of early video games had great music which was very innovative and memorable. A lot of it had a penny-arcade-kind-of feel, like calliope music on a merry-go-round. Here's one of the better samples from that era IMO: