why don't you use https://skripthub.net/docs/?id=1121 ?
Skript Hub - Documentation
Plays a sound at given location for everyone or just for given players, or plays a sound to specified players. Both Minecraft sound names and Spigot sound names are supported. Playing resource pack sounds are supported too. The sound category is 'master' by default.
Please note that sound names can get changed in any Minecraft or Spigot versio...