Wolfenstein 3D (DOS)
Roster is played at the high score list after you read through the epilogue of an episode in Wolfenstein 3D (DOS). You can see it also if you lose all your lives.
The song is track 24 in the AudioT.WL6 file. It's title in the IMF meta data is "ROSTER".
Wolfenstein 3D (SNES)
Roster is played after you complete a floor while your score is being calculated.
Wolfenstein 3D (GBA)
Wolfenstein 3D (AST)
In Atari ST port, Roster plays in its standard place, but also was used as intro song.
Voxelstein 3D (W32)
Wolfenstein 3D (GEN)