how to make sound mob with command block
Pig: /playsound mob.pig.death @p ~ ~ ~ 100
zombie: /playsound mob.zombie.death @p ~ ~ ~ 100
endermen: /playsound mob.endermen.death @p ~ ~ ~ 100
wither: /playsound mob.wither.death @p ~ ~ ~ 100
skeleton: /playsound mob.skeleton.death @p ~ ~ ~ 100