The purpose of the current study was to examine the relationship between sh
ort-term memory for rhythm and the phonological loop in working memory. Res
ults showed that digit span scores significantly correlated with the scores
on the rhythmic memory task, and that the correlation between the two scor
es remained significant even after the common variance with reading speed w
as partialled out. Partial correlation and regression analyses indicated th
at the relation between memory for rhythm and digit span scores is mediated
by the third component in the phonological loop, the component that is res
ponsible for regulation of timing mechanisms in immediate memory tasks.