Royal Academy of Creative Arts on Instagram: "The Building Blocks of Music The treble, bass, alto, and tenor clefs are symbols used in music notation to indicate the pitch of written notes. They are placed at the beginning of a staff, which consists of five horizontal lines and four spaces. Each line and space represents a specific note. The treble clef is the most commonly used clef and is shaped like an ornamental letter G. It is used to notate higher-pitched instruments such as the flute, vio