This is my first Alexa skill, and it's now live at https://www.amazon.com/VRCation-Still-Waters/dp/B079S6MVK9/! It plays relaxing water sounds, accompanied by chirping birds.
Check out this Medium post on what inspired me to build this skill at https://medium.com/@lucasho92/my-first-alexa-skill-is-my-new... :D