• entity.player.hurt only plays when you take damage
• entity.player.death only plays when player dies. It does not play with entity.player.hurt
• entity.player.hurt plays with entity.player.death
- In a creative (or survival) test world, run /kill
- Player dies with duplicated sounds
- Turn on subtitles for more obvious results
As far as I'm aware, this isn't present in the 1.15.2 releases.