Create relaxing videos (animation)

I am building a visual meditation app and I need a talented video animator to create relaxing videos for me to add for my users to watch and relax to.

Here's a couple examples of what I am looking for:

https://www.youtube.com/watch?v=16fF2Ao02YE&t=10456s
https://www.youtube.com/watch?v=VMAPTo7RVCo
https://www.youtube.com/watch?v=jU8w2-EcMIc&t=51s
https://www.youtube.com/watch?v=oFRFaI0Ntvk
https://www.youtube.com/watch?v=ttsBzshvens

I'd like someone who can collaborate with me and create these in a timely manner.

Must be able to add nature sounds and occasionally background music like smooth jazz to create a 3D ambiance.

Willing to pay per video or for a collection - I need 10 to 20.