Here is a full list of 12 hidden Audio IDs for the following nations.
Argentina 950
Australia 951
Brazil 952
China 953
France 954
Germany 955
Great Britain 956
Greece 957
Italy 958
Russia 959
Spain 960
Turkey 961
this audio is only spoken by Kevin Harlan no one else.
Dont forget there is still Team USA Team USA 962 , Dream Team 963 and also you could use Team Jordan 550 for Jordan national team.
I tried to put this in the tutorials section but no new topic tab, mods please move for me.