I can sing like a siren but how can i do it?

Question

It started on a full moon night i looked at it and it just came out of my mouth and since then i can do it but i don't know how and on a full moon since then my legs have felt weird i think my grandma or something used to be a mermaid but it sure is weird tell me how i can do it?

Answer 1

Have you heard a siren sing before?

Answer 2

If you can sing like a siren, wouldn't you already know how?  Also, for reference, merpeople and sirens are

NOT the same thing.  Please do your research a bit better.

Answer 3

Why would you want to lure innocent men to their deaths