Remember back when League of Legends was a game and not a sport?
Listen especially to the later stages of this theme to recognize what League is missing these days.
I realized when listening to older music that, back when League of Legends still tried to be a fantasy video game rather than a sport, it had this sense of wonder and excitement. Games were often hour-long undertakings you prepared for and then set out to do - they werent lunch break sized matches that could compete with HOTS (Heroes of the storm) for casual gaming.
Now dont get me wrong - the modern draft pick music is great. But it doesn't get you excited like the older music did. It doesn't encourage you to try your hardest and get you hyped up before the big battle.
You know things got messed up when i'm thinking back on Season 5 with nostalgia. Back then it was considered the worst season in League's history, what with the surface of the juggernaut patch, Tank Ekko and Season 6's subsequent Lethality meta.