Classification of Musical Instruments and Sounds Basic 4 Cultural & Creative Arts (CCA) Lesson Note
Download Lesson NoteTopic: Classification of Musical Instruments and Sounds
What is Classification?
Classification means putting musical instruments into groups based on how they make sounds.
4 Main Groups of Musical Instruments
- String Instruments
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Make sound when strings vibrate (shake)
Examples:
- Guitar – “Strum-strum”
- Piano – “Ting-ting”
- Violin – “Eee-eee”
- Harp – “Pluck-pluck”
Nigerian Examples:
- Molo (traditional guitar)
- Goje (one-string fiddle)
- Wind Instruments

Make sound when you blow air into them
Examples:
- Flute – “Toot-toot”
- Trumpet – “Ta-ta-ta”
- Recorder – “Peep-peep”
- Saxophone – “Honk-honk”
Nigerian Examples:
- Oja (traditional flute)
- Algaita (horn instrument)
- Percussion Instruments

Make sound when you hit, shake, or strike them
Examples:
- Drums – “Boom-boom”
- Tambourine – “Jingle-jingle”
- Triangle – “Ring-ring”
- Cymbals – “Crash-crash”
Nigerian Examples:
- Talking drum – “Dun-dun”
- Shekere – “Shake-shake”
- Ogene – “Gong-gong”
- Electronic Instruments

Make sound using electricity and technology
Examples:
- Keyboard – “Beep-beep”
- Electric guitar – “Buzz-buzz”
- Synthesizer – “Whoosh-whoosh”
How Sounds are Made
Vibration
All instruments make sound through vibration (shaking)
- Strings vibrate
- Air vibrates
- Objects vibrate
Volume
- Loud sounds: FORTE (strong)
- Soft sounds: PIANO (gentle)
Pitch
- High sounds: Like a bird singing
- Low sounds: Like a lion roaring
EXERCISES
Exercise 1: Fill in the Blanks
- ________ instruments make sound when strings vibrate
- ________ instruments make sound when you blow air
- ________ instruments make sound when you hit them
- All instruments make sound through ________
Exercise 2: True or False
- Guitar is a string instrument ____
- Flute is a percussion instrument ____
- Drums are hit to make sound ____
- Electronic instruments need electricity ____
Exercise 3: Match the Instrument
Draw lines to connect each instrument to its group:
- Piano → Wind instruments
- Trumpet → String instruments
- Drums → Percussion instruments
- Keyboard → Electronic instruments
Exercise 4: Sound Match
Write which instrument makes these sounds:
- “Strum-strum”: ________
- “Boom-boom”: ________
- “Toot-toot”: ________
- “Beep-beep”: ________
Exercise 5: Nigerian Instruments
Put these Nigerian instruments in the right group:Â
Instruments: Talking drum, Oja, Molo, Shekere
- String: ________
- Wind: ________
- Percussion: ________, ________
Exercise 6: Choose the Right Group
Circle the correct classification:
- Violin: String / Wind / Percussion
- Recorder: String / Wind / Electronic
- Triangle: Wind / Percussion / String
- Electric guitar: String / Electronic / Wind