The iRealB Corpus of Jazz Standards
This corpus of 1200 jazz standard lead sheets can be downloaded here: iRb_v1-0.
Broze, Y., & Shanahan, D. (2013). Diachronic Changes in Jazz Harmony: A Cognitive Perspective. Music Perception: An Interdisciplinary Journal, 31(1), 32–34.
Shanahan, D., & Broze, Y. (2012). A diachronic analysis of harmonic schemata in jazz. Proc. 12th Int. Conf. on Music Perception and Cognition and the 8th Triennial Conf. of the European Society for the Cognitive Sciences of Music, Thessaloniki, Greece, 23, 909–917.
Huron, D. B. (1994). The Humdrum Toolkit: Reference Manual. Center for Computer Assisted Research in the Humanities.