Those sounds names will only work if you use minecraft 1.9 snapshots or higher. Table as .CSV here (last updated 19-11-2015)
Do you want add completely new sounds without overwrite existing ones?
To create an immersive environment, sounds are a wonderful way to add certain feelings to your map.In horror-themed maps use this method to create a spooky atmosphere. There are two ways to add new custom sounds to your resource pack.
A CommandStat acts as a trigger, which is activated when a command is run. The trigger modifies a scoreboard score based on the success of the command being run. CommandStats can be applied to anything that can run commands, which includes entities, command blocks, and signs. Failed commands always set the score to 0. Here’s … Read more
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