Star Guardian 2017 Spawn Music

I thought the second season of star guardian was great, and I always like the skins and music very much. I collected the full version login screen music of this theme; also, I would like to collect the spawn music(the in game one) either. However, I found that there was no full version(official one) on the Internet. So, one thing is to ask an official one. Another thing is, if it is possible, could League of Legends publish every music or sound on website? cause sometimes I would meet some music I really like.