How is a rainbow made?

Original Song:https://www.youtube.com/watch?v=YRx_iXgLAyw
WoodenToaster's Channel: https://www.youtube.com/channel/UCkg5I1Z4sKGyBLC5nAOLz3A

My Facebook page: https://www.facebook.com/basspon3official

WoodenToaster's song 'Rainbow Factory' is, by far, one of my favourite pieces of Brony music Though I've never read the fan-fic as of yet, this song gives me the impression that it is very dark indeed.

-BassPon3