In the Musical Vein is a 1991 role-playing adventure for Nightlife published by Stellar Games.
[1] In the Musical Vein was the second support product and first adventure published for Nightlife.
[1] Christopher Earley reviewed In the Musical Vein in White Wolf #29 (Oct./Nov., 1991), rating it a 3 out of 5 and stated that "There is [...] a question as to the intent behind some of the supplement's subject matter.
It's easy to imagine people being offended by a few indelicate topics found in Musician Vein.
The game master's handling of theses elements in play is what sets the difference between a horrific tale that stresses the monstrosities of human nature, and crude shock value for its own sake.