Thought I'd use Starlight's glimmering "Knock Knock" as a notification ringtone for my phone. Might as well share it with anyone who might want it as well. :)
Not sure if it'll work for iPhones since it's an .MP3 folder
There's both an option of the door opening sound effect and one without it.
https://drive.google.com/drive/folders/0B8MiRSOQcJfWczdDR05INFNxems?usp=sharing
not provided yet