[psysharp]

You are right, species are discovered when in reference to our defined concept of what it means to be a spiece, that is a structure with all other spiecies. However it's name is an invention, as all definitions are invented.

Yes the song example can be put on a scale, but even the most plagerised of works can call it an invention to an extent when referencing a newly created title.

On a side note, since we all share the most primitive source of information, all behaviours are indirectly stolen on one level or another. But that idea doesn't contribute alot of practicality