Shaping Sound with Effects

Overview

In this 50-minute practical workshop, students investigate how reverb and delay change the character, space and clarity of recorded sounds. They apply effects to a short track, then practise basic mixing decisions that support the musical intention of the unit: creating and producing an original song or track with technology.

Learning intentions

• WALT explain what reverb and delay do to an audio signal.
• WALT compare how different effect settings change mood, space and clarity.
• WALT use basic mixing techniques to balance sounds in a track.
• WALT make purposeful production decisions and explain them using musical vocabulary.

Success criteria

• I can describe reverb as an effect that creates a sense of space or environment.
• I can describe delay as an effect that repeats a sound after a short time.
• I can adjust effect and mix controls while monitoring at a safe listening level.
• I can explain how at least one production choice improves my track.

Curriculum links

• Music — developing practical knowledge of sound, technology, musical elements and production processes.
• Music — developing ideas through experimenting, selecting and refining sound materials.
• Music — communicating and interpreting musical ideas for an audience.
• Key competencies — thinking; managing self; participating and contributing; using language, symbols and texts.

Lesson structure (50 minutes)

1. 0–5 min · Hook and listening comparison. Teacher opens the effects and mixing introduction deck and plays two short versions of the same vocal or instrumental sound: dry, then processed with obvious reverb and delay. Students silently identify what changed, then share one descriptive word and one possible use for each effect.

2. 5–13 min · Direct teaching: effects. Teacher demonstrates the effects on a digital audio workstation, introducing dry/wet, decay, feedback, time and mix. Explain that reverb simulates reflections in a space, while delay creates distinct repeats; model how excessive settings can reduce clarity. Students complete the key terms and prediction boxes in the effects and mixing investigation sheet.

3. 13–20 min · Guided listening investigation. Teacher plays three short examples and pauses to ask: “What is in front?”, “What sounds further away?”, and “Can you hear separate repeats or a blurred space?” Students record whether each example uses mainly reverb, delay or both, and describe its effect on mood, space and clarity. Check answers by asking students to justify their choices rather than guess the effect name.

4. 20–34 min · Pair production experiment. Teacher places students in five pairs and provides each pair with the same short multitrack project or loop containing at least two contrasting parts. Students save a new version, listen first without effects, then create two versions: one using reverb and one using delay. They change one control at a time, keep the monitoring volume moderate, and record settings and observations on the effects and mixing investigation sheet. One student operates the workstation while the other listens and records; swap roles halfway through.

5. 34–43 min · Basic mixing challenge. Teacher demonstrates a simple mix workflow: set a sensible overall level, mute or solo to identify important parts, balance volume, pan selectively, and use effects sparingly so the main musical idea remains clear. Students create a short “before” mix and a refined “after” mix, balancing at least three parts and applying one purposeful effect. They annotate what they changed and why.

6. 43–50 min · Share, assess and reflect. Teacher asks three pairs to play a 20–30-second before-and-after comparison through the class system, using the effects and mixing introduction deck for the feedback prompts. Listeners identify one audible change and suggest whether the effect supports the musical intention. Students complete the final reflection on the effects and mixing investigation sheet: “My most effective change was… because…” Collect sheets as evidence of learning.

Resources

• Digital audio workstations or music production software, with headphones
• Five computers or tablets, one per pair
• Five prepared short multitrack projects or loop files
• Headphone splitters, if required
• Small speakers or classroom audio system
• the effects and mixing introduction deck
• the effects and mixing investigation sheet
• Whiteboard and markers
• Hearing-safety reminder displayed on the board

Assessment

• During the demonstration and listening task, question students about the difference between space, repetition, volume and clarity.
• Circulate during pair work and check whether students change one variable at a time, record settings, share roles and make an intentional production choice.
• Assess the worksheet and before-and-after comparison for accurate effect descriptions, sensible mixing decisions and a reasoned reflection.

Differentiation

• Provide a visual signal-flow diagram and a word bank containing reverb, delay, dry, wet, decay, feedback, clarity, balance, foreground and background. Offer sentence starters such as “The sound feels more distant because…” and “I reduced ___ so that…”.
• Pre-load projects with clearly labelled tracks and restrict students initially to one reverb and one delay preset. Confer with students who need support, modelling each control with a single small change.
• Students who are confident can compare short and long delay times, automate an effect, or explain how genre and musical intention influence their choices.
• For students with hearing sensitivity, provide access to speakers at a controlled level, allow breaks from headphones and avoid sudden loud playback. EAL learners may demonstrate understanding through pointing, annotated screenshots, playback and brief oral explanation.