FS19 JINGLE BELLS MENU SONG V1.0
https://youtu.be/PIGEVUf9Vbw
Find the folder in the FS19 root folder, most often C (depending on the disk where the game is stored): \ Program Files (x86) \ Steam \ steamapps \ common \ Farming Simulator 19
1) enclosed data folder, we insert it into this game folder (Farming Simulator 19)
2) to query merge files “data”, click -Yes-
3) to query merge “music” file, click -Yes-
4) at the last warning that the folder already contains a file with the same name just click on -copy and replace-
Credits:
CrowerCZ
or you can just search find the music document in the fs19 folder