The rhythm section in swing outlined a four-beat pattern that was very stable and danceable. bebop's rhythm section created stacked layers of syncopation that created polyrhythms and polymeters, or the effect of multiple rhythms or meters played simultaneously.
a. true.
b. false

A. True

Explanation:

It is true that the rhythm section in swing outlined a four-beat pattern that was very stable and dance-able. Bebop's rhythm section created stacked layers of syncopation that created poly-rhythms and polymeters, or the effect of multiple rhythms or meters played simultaneously.