I am thrilled to hear that my module helped you get jazzed about GMing again. I too got pretty burned out on crunch, which is what got me interested in MoSH in the first place.
Hell yes, use a song at starting positions. That is a great idea.
There are a ton of great modules for Mothership, definitely enough for a long campaign. If you ever need a random planet, here’s a planet generator I made a couple years ago. The content is by Ian Yusem so you know it’s good.