The flute clef is used in a variety of musical genres, including classical, jazz, and folk music. It is also used in some contemporary music, such as film scores and video game music.
Here is a diagram of the flute clef:
```
|
------------------------------
| | | | |
|_____|_____|_____|_____|
| | | |
------+-----+-----+-----+
```
The middle line represents the pitch C5. The lines above the middle line represent the pitches D5, E5, F5, and G5. The spaces below the middle line represent the pitches B4, A4, G4, and F4.
The flute clef is a versatile notation that can be used to play a wide variety of music. It is an essential tool for any flutist.