Quadruple whole note

A quadruple whole note in white-mensural notation.

A quadruple whole rest (modern form) worth two breves

The quadruple whole note (also called a longa, long, or quadruple note) is a note that is 4 times the value of a whole note which is where it gets its name. In the $\frac{4}{4}$ time signature it has a value of 16 beats or 4 measures.

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