The millioctave (mO) is a unit of measurement for musical intervals.

The cent is a logarithmic unit of measure used for musical intervals.

A comma can be viewed as the distance between two musical intervals.

He put two fingers to his lips and whistled a long, complex tune with odd musical intervals.

Most musicians have to work hard to learn to identify musical intervals, two notes of a scale played at the same time.

In the study of harmony, many musical intervals can be expressed as a superparticular ratio.

But there was a musical interval to be endured; and so he put away the paper.

These musical intervals are only approximate; to a human ear the song often sounds out of tune.

Distance in this space corresponds to musical intervals as understood by musicians.

But all the notes differ from the real notes by the same musical interval.