Simultaneous contrast refers to the way in which two different colors affect each other. The theory is that one color can change how we perceive the tone and hue of another when the two are placed side by side.
A.dialect thats my answer for the question
3. Dynamics indicates the loudness or softness of music.
4. A decrescendo is used to indicate that the music should gradually become softer.
12. The dot after a note increases its value by half of its original value
13. Allegro is a commonly used tempo marking, indicating to move at a brisk tempo.
Sorry I don't know all of the answers, hope this helps!
