The following publications are possibly variants of this publication:
- Evolutionary Music and the Zipf-Mandelbrot Law: Developing Fitness Functions for Pleasant MusicBill Z. Manaris, Dallas Vaughan, Christopher Wagner, Juan Romero, Robert B. Davis. evoW 2003: 522-534 [doi]
- Zipf's Law, Music Classification, and AestheticsBill Z. Manaris, Juan Romero, Penousal Machado, Dwight Krehbiel, Timothy Hirzel, Walter Pharr, Robert B. Davis. comj, 29(1):55-69, 2005. [doi]