The song that plays when Kiryu gets stabbed in the rain by the Sotenbori River and the ending with Ryuji Goda and Sayama
Feel free to request other music mods in the comments or pm me. (Twitter)
Place under This PC/Local Disk/Program Files (x86)/Steam/steamapps/common/payday 2/assets/mod_overrides
Will require Super BLT and BeardLib