Pitch (not including timbre) can be altered with

• length

• thickness

• material

• tension

More than half of the class plays instruments in the ____ family

• string

• woodwind

• brass

• percussion

One person in the class plays an instrument in the ____ family.

• strings

• woodwind

• brass

• percussion

This is a treble clef

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• 
• 

this is a bass clef

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• 
• 

this is an alto clef

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• 
• 

Define idiophone

• the thing itself vibrates

• a membrane vibrates

• a string vibrates

• the air vibrates

Define aerophone

• the thing itself vibrates

• a membrane vibrates

• a string vibrates

• the air vibrates

Define chordophone

• the thing itself vibrates

• a membrane vibrates

• a string vibrates

• the air vibrates

Dissonance is when

• two frequencies do not mathematically line up

• two frequencies have neat ratios

• two notes sound gross together

• two notes sound lovely together