In music, an **interval** is the distance between two pitches. An interval whose notes sound simultaneously is known as a **harmonic interval** whereas an interval whose notes sound in succession (one after the other) is known as a **melodic interval**. In **Example 1** below, the first interval is harmonic because the notes F and D occur at the same time whereas the second interval is melodic because the note D occurs after F. **Example 1.** Harmonic and melodic intervals. ![[example intervals harmonic and melodic.png]] See the following topics for more information: - [[interval size]] - [[simple and compound intervals]] - [[interval quality]] - [[interval inversion]] ## Common Intervals ![[example common intervals.png]] Interval Identification Practice - [[Exercises on musictheory.net]]