Double whole note the "brevis" was to be considered the unit of time ("tactus"), instead of the usual "semibrevis". The old symbol , used as an alternative to the numerical proportion 2:1 in mensural notation, is carried over into modern notational practice to indicate a smaller relative value per note shape. It is normally used for music in a relatively quick tempo, where it indicates two minim (half note) beats in a bar of four crotchets (quarter notes), while is the equivalent of , with four crotchet beats . Double whole note In music, a double whole note (American), breve (international), or double
A Dance to the Music of Time (painting) A Dance to the Music of Time (painting) A Dance to the Music of Time is a painting by Nicolas Poussin in the Wallace Collection in London. It was painted between about 1634 and 1636 as a commission for Giulio Rospigliosi (later Pope Clement IX), who according to Gian Pietro Bellori dictated its detailed iconography. The identity of the figures remains uncertain, with differing accounts. The painting is well known for giving its name to the "A Dance to the Music of Time" novel cycle, though this title is first seen in a Wallace Collection catalogue of 1913. Before that