I am learning 一闪一闪亮晶晶 but I found 2 different versions on youtube. Which version is more correct or sounds better to a native speakers ear?

I think the first one is a bit easier to listen too, and learn. 

https://youtu.be/cqvh7aIqWBs

https://youtu.be/qT-3JDRkoWk?list=PLD427D1C8D2BC9BEB