Which section of the Concerto for Orchestra uses the flexible rhythmic freedom of the parlando-rubato style?

__________ or "new art" refers to changes in music occurring in the fourteenth century

A) Renaissance ars B) Chivalric ars C) Secular ars D) Gothic ars E) Ars nova

What is the correct relationship among aperture, ƒ-stop, and lens speed?

A) the lower the ƒ-stop, the larger the aperture and the faster the lens B) the lower the ƒ-stop, the smaller the aperture and the faster the lens C) the higher the ƒ-stop, the larger the aperture and the faster the lens D) the lower the ƒ-stop, the larger the aperture and the slower the lens E) the lower the ƒ-stop, the smaller the aperture and the slower the lens