Yes. Similarly to what Steemit has done for text content, LetItPlay will do for audio.

The idea is good. But don't we already have so many text to speech converters? Kindle has audio books. Plus integrating blockchain service with a car stereo system is itself a big thing. And you don't seem to include that in your roadmap as it is a third party dependent feature. I think things like these should be analyzed first. That is, the project is technologically feasible or not.

What was the bonus for presale investors??And what the difference between presale bonus and main sale??