when in the user_aliases.csv i add the round start music, it in game doesnt work and when the round start doesn't play the round_start file in sound_assets/zombie/rounds, even the giant default round change sound doesn't work at all

This is my user_aliases.csv round files

mus_roundend1_intro,,,zombie\rounds\round_start.wav,,,UIN_MOD,,,,,BUS_MUSIC,,,,,,100,100,,,,,,,,2,oldest,,,1,1,,,,,,2d,,,NONLOOPING,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
mus_roundstart_first_intro,,,zombie\rounds/round_start.wav,,,UIN_MOD,,,,,BUS_MUSIC,,,,,,100,100,,,,,,,,2,oldest,,,1,1,,,,,,2d,,,NONLOOPING,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
mus_roundstart1_intro,,,zombie\rounds\round_start_01.wav,,,UIN_MOD,,,,,BUS_MUSIC,,,,,,100,100,,,,,,,,2,oldest,,,1,1,,,,,,2d,,,NONLOOPING,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
mus_roundstart2_intro,,,zombie\rounds\round_start_02.wav,,,UIN_MOD,,,,,BUS_MUSIC,,,,,,100,100,,,,,,,,2,oldest,,,1,1,,,,,,2d,,,NONLOOPING,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
mus_roundstart3_intro,,,zombie\rounds\round_start_03.wav,,,UIN_MOD,,,,,BUS_MUSIC,,,,,,100,100,,,,,,,,2,oldest,,,1,1,,,,,,2d,,,NONLOOPING,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
mus_roundstart4_intro,,,zombie\rounds\round_start_04.wav,,,UIN_MOD,,,,,BUS_MUSIC,,,,,,100,100,,,,,,,,2,oldest,,,1,1,,,,,,2d,,,NONLOOPING,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
mus_dogend1_intro,,,zombie\rounds\dog_end.wav,,,UIN_MOD,,,,,BUS_MUSIC,,,,,,100,100,,,,,,,,2,oldest,,,1,1,,,,,,2d,,,NONLOOPING,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
mus_dogstart1_intro,,,zombie\rounds\dog_start.wav,,,UIN_MOD,,,,,BUS_MUSIC,,,,,,100,100,,,,,,,,2,oldest,,,1,1,,,,,,2d,,,NONLOOPING,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,



P.S in the sound_assets i have the .wav files for all rounds
sorry for my bad english, beacause I'm Italian
can i have some help please?