UNIT 2: How to read Music. Lesson 1: Staff, Clef and Notes. Srta.Corchea octubre 21, 2018 3 Comments 1) The staff: lines and spaces, higher-pitched notes, lower-pitched notes, ledger lines. 2) The Clef: G-Clef (Treble Clef), F-Clef (Bass Clef). 3) The notes: natural notes (C-D-E-F-G-A-B), octave.