It started like this:

We were riding our kick-ass futuristic hover motorcycles down the hyper turbo expressway on our home planet of Rock-u-Lon and went up a small hill too fast, launching us into space. We were lucky enough to fly straight through a wormhole before we suffocated and froze in the unforgiving vacuum outside our planet’s artificial atmosphere. The rip in space time carried us to Earth, but we don’t know where that is so we’re stuck here doing what we do best. We were the coolest rock band in the faraway galaxy from whence we came. It has always been our greatest pleasure to play music in exchange for currency but we really need to rake in the dough or we may never find a way home. Then again, Earth is not so bad. Maybe we’ll stay for a few decades.