In Notre-Dame organum, the organal style proper alternates with "descant" sections in which both melodies move rhythmically in accordance with the triple patterns of the late medieval system of rhythmic modes (see rhythmic mode).
The medusa is a free-swimming form; it moves by rhythmic muscular contractions of the bell, providing a slow propulsive action against the water.
This is distinct from polyphony, in which parts move with rhythmic independence, and monophony, in which all parts (if there are multiple parts) move in parallel rhythm and pitch.
Heads bob, arms flail, backs flex, and the upper and lower body are often moving to different rhythmic patterns.
But the scientists have found one signal that does seem effectively to override the body's strong pull toward its preferred ways of moving: a strongly rhythmic beat.
She is feeding Lulu, the shadows of the tree's leaves flickering over her bared breast and the baby's head moving with its rhythmic sucking.
Litton makes it work, perhaps because underneath the sumptuousness, the music's moving parts remain rhythmic and light on their feet; perhaps because he seems able to see past the work's vastness even while he revels in it.
On an island in Pyongyang's Taedong river he has conjured up the Rungna People's Pleasure Ground, a theme park complete with pink-painted rollercoasters, mini-golf course, swimming pool and a 4D cinema, fitted out with "rhythmic" moving seats.
Those Eyes, That Mouth is an almost perfect concentration of the band in big and beautiful mode, Fraser's singing demonstrating her ease at moving from a rhythmic swoop to a piercing keen while the music builds into a scintillating wash that Fraser almost disappears into as it fades.
The music becomes "simpler and softer" throughout the piece, moving from the "rhythmic complexity" of the opening bars through to slow quavers transforming into triplets.
