Platinum 1 Lucio looking to improve

Hey guys, I’m trying to improve on Lucio and would like some tips on what I could do better. One thing that I have been working on is my positioning and my ability usage. So if you decide to watch the vod, then please critique that to the best of your abilities.

Pc

Gamer tag: Daniel

Map: kings row

Character: Lucio.

Replay code: 8JNCMK