The Nazi Rap
The name is verified by in-game jukebox.
Wolfenstein 3D (DOS)
The Nazi Rap is played in E3M2, E3M6, E6M2, and E6M6 in Wolfenstein 3D (DOS).
The Nazi Rap is track 21 in the AudioT.WL6 file, but is not included in the shareware release of the game. Its title in the IMF meta data is "NAZI-RAP".
Wolfenstein 3D (SNES)
Wolfenstein 3D (JAG)
The song's internal name is "0NAZIRPF".
Wolfenstein 3D (GBA)
Like the others, this track is left unused in GBA version. But it was possibly meant for E3M2, E3M6, E6M2, and E6M6, just like the MS-DOS version.
Interestingly, this song belongs to the "chippy" part of the soundtrack of GBA version.
Wolfenstein 3D (WEB)