In game the track name is "Farewell Of Heisters" for some flavor i hope you like it. and for those who don't know how to put custom music here is a link to help you. https://www.youtube.com/watch?v=VrL_LDNTMPI&ab_channel=HugoGuerrier
Assault phase : https://www.youtube.com/watch?v=pF62kDtyhqw&ab_channel=IanSkull
Buildup phase : https://www.youtube.com/watch?v=Nufaqr3BbYc&ab_channel=TovarishLew
1 Control phase : https://www.youtube.com/watch?v=7ThJWWVeBlk&ab_channel=PhạmPiano
2 Control phase : https://www.youtube.com/watch?v=dSo_t5Z04IY&ab_channel=MarkusBakke-Piano
Stealth phase : https://www.youtube.com/watch?v=9Q8r0TV2rUg&ab_channel=R3MusicBox