Lesson Notes By Weeks and Term v3 - Senior Secondary 2
African/western musical instruments
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African/western musical instruments
Download the Lessonotes Mobile Nigeria 2025 app for faster lesson access on Android and iPhone.
Subject: Music
Class: Senior Secondary 2
Term: 1st Term
Week: 7
Theme: Introduction To Music Technology (Africa Musical Instruments) I
This page supports the lesson note with a companion video and a short classroom-ready summary.
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Students should be able to identify the to nes of' musical in struments (African and Western )played in digital keyboard. observe the procedure in programming short rhythmic patterns.
This section provides in-depth explanations of the core concepts necessary for teachers to effectively deliver the lesson. 2.1 Digital Keyboard (Synthesizer/Workstation) A digital keyboard is an electronic musical instrument that simulates the sounds of various traditional instruments, synthesizes new sounds, and often includes features for recording and sequencing music.
It typically consists of: Keyboard (Keys): Standard piano-style keys for playing notes.
Sound Engine/Module: The internal technology that generates the sounds (often called "voices," "patches," or "programs").
Display Screen: Shows information like selected instrument, tempo, and various settings.
Controls: Knobs, sliders, buttons for adjusting parameters (volume, tempo, effects, sound selection).
Speakers/Outputs: Built-in speakers or jacks for connecting to external amplifiers, headphones, or recording equipment.
Sequencer: A feature that allows recording and playback of musical patterns (melodies, harmonies, rhythms) in a structured sequence. 2.2 Tones and Timbre Tone: Refers to a specific musical sound, characterized by its pitch, duration, intensity, and timbre. Timbre (pronounced "tahm-ber" or "tim-ber"): This is the quality or colour of a musical sound that distinguishes different types of sound production, such as that of a vocal voice, a piano, a talking drum, or a trumpet. Even if two instruments play the same note at the same volume, their timbres will be different due to their unique harmonic structures and attack/decay characteristics.
Digital Emulation: Digital keyboards achieve different timbres by using various synthesis methods (e.g., subtractive, FM, wavetable) or by playing back recorded samples of actual instruments. When a "talking drum" voice is selected on a keyboard, it's essentially playing a digital representation (sample or synthesized version) of that instrument's unique sound quality. 2.3 African Musical Instruments African instruments are diverse, often categorized by how they produce sound (Hornbostel-Sachs classification). When identifying their digital tones, focus on their unique characteristics: Idiophones (Self-Sounding): Produce sound through their own vibration.
Examples: Sekere (gourd rattle, Nigeria - shaking, percussive, shimmering sound), Gong (metal, Nigeria - resonant, sustained, metallic sound), Marimba/Xylophone (wooden bars, widespread - bright, percussive, melodic woody tone).
Membranophones (Membrane-Sounding): Produce sound from the vibration of a stretched membrane (drum skin).
Examples: Talking Drum (Gangan/Dundun, Nigeria - flexible pitch, resonant, vocal-like, percussive), Bata Drums (Yoruba, Nigeria - complex rhythms, deep resonance, percussive), Djembe (West Africa - sharp attack, resonant bass, slaps).
Chordophones (String-Sounding): Produce sound from the vibration of stretched strings.
Examples: Goje (Hausa violin, Nigeria - reedy, nasal, melancholic string sound), Kora (West African harp-lute - rich, sustained, plucked string sound), Akoting (Jola, Senegal/Gambia - banjo-like).
Aerophones (Air-Sounding): Produce sound from vibrating air.
Examples: Flute (Oja, Fula, various - airy, breathy, melodic wind sound), Trumpet (kakaki, Hausa, Nigeria - loud, brassy, ceremonial sound). 2.4 Western Musical Instruments Western instruments are broadly categorized into families. When identifying their digital tones, consider their typical sound qualities: String Instruments: Sound from vibrating strings.
Examples: Violin (bright, soaring, expressive bowed sound), Cello (warm, rich, deep bowed sound), Guitar (acoustic/electric - plucked, strummed, versatile).
Woodwind Instruments: Sound from air passing through a reed or across an edge.
Examples: Flute (clear, bright, airy), Clarinet (warm, mellow, reedy), Saxophone (jazzy, brassy, expressive).
Brass Instruments: Sound from lip vibration into a mouthpiece, resonating through a metal tube.
Examples: Trumpet (bright, fanfare-like, piercing), Trombone (powerful, smooth, sliding pitch), French Horn (mellow, majestic, rounded).
Percussion Instruments: Sound from striking, shaking, or scraping.
Examples: Drum Kit (snare, kick, hi-hat, cymbals - sharp, punchy, rhythmic), Xylophone (bright, percussive, melodic).
Keyboard Instruments: Use a keyboard to activate sound.
Examples: Piano (percussive attack, sustained resonance, wide dynamic range), Organ (sustained, powerful, multi-timbral). 2.5 Programming Rhythmic Patterns Rhythm: The arrangement of sounds and silences in time; the pattern of durations of notes and rests in music.
Sequencing: The process of arranging musical events (notes, drum hits) in a specific order and timing using a sequencer (hardware or software). Steps for Programming a Short Rhythmic Pattern (e.g., a simple drum beat):
1. Select Instrument Voice (Patch): Choose a drum kit sound (e.g., "Standard Kit," "Afro Percussion Kit"). Most digital keyboards have various drum sounds mapped to specific keys. range), Organ (sustained, powerful, multi-timbral). 2.5 Programming Rhythmic Patterns Rhythm: The arrangement of sounds and silences in time; the pattern of durations of notes and rests in music.
Sequencing: The process of arranging musical events (notes, drum hits) in a specific order and timing using a sequencer (hardware or software). Steps for Programming a Short Rhythmic Pattern (e.g., a simple drum beat):
1. Select Instrument Voice (Patch): Choose a drum kit sound (e.g., "Standard Kit," "Afro Percussion Kit"). Most digital keyboards have various drum sounds mapped to specific keys.
2. Set Tempo: Determine the speed of the rhythm, usually measured in Beats Per Minute (BPM). Use the keyboard's tempo control.
3. Activate Sequencer/Pattern Mode: Engage the recording or pattern creation function.
4. Input Notes (Step-Time or Real-Time): Step-Time Recording: Input notes one by one, specifying their duration and position on a beat grid. For example, press the "kick drum" key on beat 1, then the "snare drum" key on beat 2, etc. This is precise and good for beginners.
Real-Time Recording: Play the rhythm live, and the keyboard records the performance. This requires more timing accuracy.
5. Quantize (Optional but Recommended): This function automatically aligns recorded notes to the nearest beat or sub-division (e.g., 1/4 note, 1/8 note). This corrects minor timing inaccuracies, making the rhythm sound "in time."
6. Loop/Arrange: Set the pattern to loop continuously (e.g., 4 bars) or arrange multiple patterns to create a longer sequence. Worked
Example: Programming a Simple 4-Beat Drum Pattern Teacher will demonstrate these steps using a digital keyboard (or simulate if no equipment is available, using a visual aid or on-screen software if projected).
Goal: Program a basic 4-beat pattern: Kick on 1 and 3, Snare on 2 and 4, Hi-hat on every beat (1, 2, 3, 4).
1. Select Voice: Navigate to "Drum Kit 1" or a similar percussion patch.
2. Set Tempo: Set BPM to 100.
3. Activate Pattern Mode: Press "Pattern Record" or "Sequencer" button.
4. Input Notes (Step-Time Example): Kick Drum: Identify the key for the kick drum (e.g., C1). On the first beat of the pattern, press C
1. Skip the second beat. On the third beat, press C
1. Skip the fourth beat.
Snare Drum: Identify the key for the snare drum (e.g., D1). Skip the first beat. On the second beat, press D
1. Skip the third beat. On the fourth beat, press D
1. Hi-Hat: Identify the key for the hi-hat (e.g., F#1). On every beat (1, 2, 3, 4), press F#1. (Teacher demonstrates this clearly, possibly using a visual grid to show where each drum hit falls).*
5. Quantize: Apply quantization (e.g., 1/8 note) to ensure all hits are perfectly aligned.
6. Play/Loop: Press "Play" to hear the programmed pattern loop. 3.1 Teacher Activities Introduction (5 minutes): Recap previous lessons related to musical instruments (classification, characteristics). Introduce the concept of music technology and digital keyboards as tools for modern music creation. State the lesson objectives clearly. Explanation & Demonstration of Digital Keyboard (15 minutes): Display a digital keyboard (physical or visual aid/diagram). Point out its key components (keys, screen, controls, speakers). Explain the concept of "voices" or "patches" and how they represent different instruments. Demonstrate how to select various instrument tones. Demonstration of African & Western Instrument Tones (15 minutes): Play the digital keyboard, selecting voices that emulate specific African instruments (e.g., talking drum, sekere, marimba, goje, bata drum). For each, ask students to listen carefully and describe the timbre. Repeat the process for Western instruments (e.g., piano, violin, trumpet, snare drum, flute). Lead a brief discussion on the distinct characteristics of the sounds played. Explanation & Demonstration of Rhythmic Programming (20 minutes): Explain what rhythm and sequencing mean in the context of a digital keyboard. Clearly outline the step-by-step procedure for programming a short rhythmic pattern (as detailed in Section 2.5). Demonstrate the "Worked Example" (simple 4-beat drum pattern) on the digital keyboard, explaining each step as it is performed. Emphasize setting tempo, selecting a drum kit, inputting notes (step-time or real-time), and looping. If equipment allows, demonstrate quantization.
Guided Practice Setup (5 minutes): Prepare students for the guided practice questions, ensuring they understand the task. 3.2 Student Activities Active Listening: Listen attentively to the teacher's demonstrations of various instrument tones (African and Western).
Identification: Orally identify the names of instruments whose tones are played on the digital keyboard, and describe their unique timbres.
Observation: Carefully observe the teacher's step-by-step demonstration of programming a rhythmic pattern, noting the sequence of actions and the functions used.
Discussion: Participate in class discussions on the differences and similarities in the tones of African and Western instruments.
Note-Taking: Record key concepts, instrument examples, and the steps for rhythmic programming. Conceptual Understanding (if no equipment): Mentally follow the programming steps and conceptualize how a rhythm is built. These questions are designed to be worked through with teacher guidance, either collectively or in small groups.
Question 1: The teacher plays a sound on the digital keyboard that produces a sustained, vibrating, metallic sound with a clear bell-like quality, similar to what you might hear in a traditional ceremonial setting in Nigeria. Which African idiophone is most likely being emulated?
Solution: The sound described ("sustained, vibrating, metallic, bell-like, ceremonial") strongly suggests a Gong.
Commentary: This tests the student's ability to link sound characteristics to specific African instruments.
Question 2: The teacher plays a bright, soaring, and expressive string instrument sound on the digital keyboard. From which Western instrument family does this sound most likely originate?
Solution: The description ("bright, soaring, expressive string instrument sound") points to a Violin or a similar bowed string instrument. This belongs to the String Family of Western instruments.
Commentary: This assesses identification of Western instrument sounds and their classification.
Question 3: A music producer wants to create a basic talking drum beat on a digital keyboard using its sequencer. List the first three procedural steps the producer should take before inputting the actual drum hits.
Solution: Select the Talking Drum Voice/Patch: The producer must first choose the specific talking drum sound from the keyboard's available voices.
Set the Desired Tempo (BPM): Establish the speed at which the talking drum pattern will play. Activate the Sequencer or Pattern Recording Mode: Engage the function that allows for recording or step-input of the rhythmic pattern.
Commentary: This question checks understanding of the initial setup steps for rhythmic programming.
Question 4: Describe a significant difference in timbre between a digital "Sekere" sound and a digital "Piano" sound, even if played at the same pitch and volume.
Solution: A digital Sekere sound typically has a shaking, rattling, percussive, and shimmering timbre, with an indefinite pitch. Its sound decays relatively quickly. A digital Piano sound, in contrast, has a percussive attack followed by a sustained, resonant, and harmonically rich timbre, with a definite pitch. Its sound has a more complex envelope (attack, decay, sustain, release).
Commentary: This encourages students to articulate the differences in sound quality, moving beyond mere identification to descriptive analysis of timbre.
Modern Nigerian Music Production and Performance: Digital keyboards are indispensable in contemporary Nigerian music. Producers of Afrobeat, Gospel, Juju, and Fuji music often rely on them to create rich soundscapes, incorporating synthesized strings, brass, traditional drum patterns, and unique vocal effects. Live bands utilize keyboardists who can emulate a full orchestra, a traditional talking drum ensemble, or even a rock band, expanding performance versatility and reducing the need for numerous musicians.
Cultural Documentation and Education: Music technology allows for the digital archiving and study of traditional Nigerian musical instruments and their unique timbres. Rare or endangered instruments can have their sounds sampled and made accessible via digital keyboards or software, aiding in cultural preservation and making these sounds available for study in music schools and cultural centers across Nigeria without needing physical instruments. This also facilitates cross-cultural musical fusion.
Creative Industries and Entrepreneurship: Beyond music, the ability to manipulate and program sounds using digital instruments is valuable in various creative industries in Nigeria. This includes creating sound effects and background music for Nollywood movies, producing jingles for radio and television advertisements, and designing soundscapes for theatrical productions. Aspiring sound engineers, music producers, and media content creators can leverage these skills for entrepreneurial ventures.