In this study, Effects of music tempo upon
submaximal cycling performance they found that changing the tempo of the exercise playlist made a difference on how far, and how hard the cyclists worked.
Foricher, J.M., Ville, N.S., Delamarch, A. and Delamarch, P (2003b) Effects of
submaximal intensity
cycle ergometry for one hour on substrate utilisation in trained prepubertal boys versus trained adults.