Average tempo over time
• Performances of mazurkas slowing down over time:
Friedman 1930
Rubinstein 1966
Indjic 2001
• Slowing down at about 3 BPM/decade
Laurence Picken, 1967: “Centeral Asian tunes in the Gagaku tradition” in Festschrift
für Walter Wiora. Kassel: Bärenreiter, 545-51.