This is a bizarre question... but the answer is Jimi Hendrix (or the Jimi Hendrix Experience).
Gave up their life for a cause.
Answer: I believe it's the fact it used and does still display music videos on tv for "free", or the fact it streamed the most famous songs on it so people could go to their channel and listen to music / radio (but with music videos) at home.
Explanation:
