How do you get the whistle notification sound for my email on S6?

[AC Question]

How do you add sounds for Ringtones, notifications and alarms to the S6?

 

[B. Diddy]

Welcome to Android Central! It's a bit funny, because Samsung got rid of those long-standing Samsungy sounds like the whistle and the waterdrop sound (apparently due to consumer feedback). But if you can find the original sound files (which probably isn't too hard with a Google search), you can add them back following these steps: Android 101: Adding your own custom sounds to Android events | Android Central