1. HARMONY

2. harmony
“agreement”; two or more pitches sung or played at the same time making the music thicker in its sound

3. interval
the distance between two different pitches

4. sharp
to raise the pitch a half step

5. flat
to lower the pitch a half step

6. natural
the natural state of the note, it isn’t sharp nor flat

7. key signature
tells the performer what notes are to be raised, flattened, and/or natural at any given point within the music

8. whole step
distance of two half steps in the same direction

9. half step
smallest distance between pitches above or below another pitch

10. chord
three or more pitches (notes) sounding at the same time