2.1 Musical notation
Category: Elementary music theory  Tags: Musical notation 
In this chapter you will learn about the Fclef and Gclef with the number 8 added above or below. The addition of the number 8 directs the musician to perform the music an octave higher than indicated (with the number 8 added above) or an octave lower than indicated (with the number 8 added below). These clefs are called octave clefs.
Octave clefs

Example
How do you perform octave clefs?