Affects Version/s: Minecraft 1.9 Pre-Release 1
Fix Version/s: None
Environment:Updated Java as on 16/02/2016
Using the command
/playsound minecraft:entity.zombie.death block @a ~ ~ ~ 15
"That player cannot be found"
The command works with @p,@r and player names.
The playsound does not work with @a regardless of sound chosen.