Wohoo! Enjoy your red badges @anne-29, @christopher-treharne, @Shannon a @nick-heneker 
@anne-29 - No worries, I was able to listen to it with a pair of good headphones 
If you want to try to make it louder in the future, you could try a different microphone - maybe do it with headphones plugged in, or use a different device. But as I said, it worked like this too!