From Loui, P., Wessel, D. L., & Hudson Kam, C. L. (2010). Humans Rapidly Learn Grammatical Structure in a New Musical Scale. Music Perception, 27(5), 377-388.

Sample melodies in the new musical system, derived from the Bohlen-Pierce scale: Melody 1 Melody 2

Bohlen-Pierce scale artificial grammar learning experiment - experiment files here.

A basic tutorial on DTI analysis: PDF