Whistled language

[vinnyglennon]

https://en.wikipedia.org/wiki/Whistled_language

[ngcc_hk]

Be in this place this summer and even though not heard the real one personal it is quite famous

https://en.m.wikipedia.org/wiki/Silbo_Gomero

[emilga]

Here's a Turkish whistled language in action: https://youtu.be/bQf38Ybo1IY?t=1m40s

[ceautery]

The Tleilaxu use a whistled language in the Dune sequels to control their gholas.

http://dune.wikia.com/wiki/Whistling_language

[evanb]

I came across an article on a disappearing Greek whistled language earlier this year:

http://www.bbc.com/travel/story/20170731-greeces-disappearin...

[yjftsjthsd-h]

Related: Solresol, a conlang built on music

https://en.m.wikipedia.org/wiki/Solresol

[oldgun]

First thing comes to mind is Yondu, from 'Guardians of the Galaxies'.

Movies borrowed inspirations from this, maybe?

[digi_owl → oldgun]

https://en.wikipedia.org/wiki/Yondu

[forkandwait]

Maybe Toki Pona could be adapted to boatswain whistle?