It is written from the perspective of survivors and is a plea to anyone that is struggling to push through the rain and to wait for the rainbow." You can see the band perform live at this year's ...

Today on CNN 10 we get an update on severe weather that unleashed tornadoes and relentless rain on parts of the US ... before learning why every rainbow is unique to each individual person.

So when the sun is behind you and the rain in front of you, you see a rainbow of colours reflected back from inside the raindrops. As well as the lovely colours, rainbows also have a unique shape.