Select A Different Lesson... ---------- Lesson 1 - Naming Your Fingers Lesson 2 - Naming The White Keys Lesson 3 - Finding Middle C Lesson 4 - The Musical Staff Lesson 5 - The Musical Note Lesson 6 - The Treble Clef Lesson 7 - Middle C On The Staff Lesson 8 - Leger Lines Lesson 9 - Quarter Notes And Half Notes Lesson 10 - Bar Lines And Measures Lesson 11 - Double Bar Lines and Repeat Signs Lesson 12 - Time Signatures Lesson 13 - Dotted Half Notes Lesson 14 - Whole Notes Lesson 15 - Rests Lesson 16 - Pick-up Notes Lesson 17 - Ties Lesson 18 - Sharp Signs Lesson 19 - Flat Signs Lesson 20 - Natural Signs Lesson 21 - Chords Lesson 22 - The Eighth Note Lesson 23 - Key Signatures Lesson 24 - Dotted Quarter Notes

A flat or sharp sign (sometimes called accidentals) affects all the notes on its own line or space for one measure only. We use a natural sign when we want to return a note to its original key before the end of the measure.