Singing 4: Expert: stage, studio and teaching

01

Choose and change your key

In simple words

A song is like a ladder. If the ladder is too tall, you stretch and strain. If it is too short, it feels boring. Changing the key moves the whole ladder up or down, so the song fits your voice. The tune stays the same; only the starting note changes.

Key facts

A semitone is the smallest step on a piano (Singing 2). Moving a whole song up or down by the same number of semitones is called transposing.
A major scale follows the step pattern whole, whole, half, whole, whole, whole, half (Singing 2). Starting on a different note gives a different key:

Scale	Notes	Sharps or flats
C major	C D E F G A B	none
G major	G A B C D E F#	1 sharp (F#)
D major	D E F# G A B C#	2 sharps (F#, C#)
A major	A B C# D E F# G#	3 sharps (F#, C#, G#)
F major	F G A Bb C D E	1 flat (Bb)

Chords of the key: the major chord is the 1st, 3rd and 5th notes of the major scale (Singing 2). The chords that most simple songs use are the 1, 4 and 5:

Chord	Notes
C major	C E G
F major	F A C
G major	G B D
D major	D F# A
A major	A C# E

Phrase 1 of "Twinkle, Twinkle, Little Star" (Singing 1) written in three keys (a slash separates the two bars; the tune is traditional and public domain):

Key	Phrase 1
C major	C C G G / A A G
G major	G G D D / E E D
F major	F F C C / D D C

How to pick a key: find the lowest and highest notes of the melody. Put them inside your comfortable range (Singing 2) with a few notes of room at the top, and keep the high notes for the moments that matter. Voice type ranges are only approximate guides.
Capo and number charts: a guitarist can change keys with a capo or a number chart (Guitar 4, Lesson 1). Tell your accompanist the new key by name, for example "G major".
Keys are tools, not rankings. A lower key is not worse; it often sounds warmer and safer on a long set.

Step by step

Choose a public-domain song you know, for example "Twinkle, Twinkle, Little Star".
Sing it in C and find the lowest and highest notes (C and A in phrase 1).
Use a piano or tuner app to find your lowest comfortable note and your highest comfortable note.
Try the song in G and in F, using the table above for the starting note.
Choose the key where the high notes feel free and the low notes still sound clear.
Write the key and the starting note at the top of your lyric sheet.
Check: you can sing the whole song in your chosen key without pushing or straining.

Watch on YouTube

Every singing voice type explainedJaco Explains · YouTube · youtube.com

Videos by other creators on YouTube, for reference. They are not made by or affiliated with The Future Market.

LESSON 01Choose and change your key

LESSON 01 / ANIMATED LESSON / AI VOICE00:00 / 01:15

Voice

Read the video script

[Host] "A song is a ladder. Changing the key moves the whole ladder."
[Screen: C major, G major, F major scale tables] "Same steps, different starting note. C major, G major, F major."
[Screen: Twinkle phrase 1 in three keys] "The first line begins on C, G or F. The tune stays the same."
[Text on screen: highest note inside your comfortable range] "Pick the key where the highest note is easy, not at the edge of your voice."
[Host] "Write the key on your lyric sheet. Tell your band the name of the key."

Try it now

5 minutes: sing the C major scale up and down, then the G major and F major scales, on "ah".
10 minutes: find your lowest and highest comfortable notes with a tuner app.
10 minutes: sing "Twinkle, Twinkle" in C, G and F, and choose your key.
5 minutes: write the chords C, F and G (and their notes) for your key.

ClaudeStuck? Copy a ready-made prompt for Claude

Copy this, open Claude, paste it, and Claude will walk you through the lesson step by step.

For a grown-up: Claude is for adults (18+). Copy this, paste it into Claude, and use the answer to explain the lesson to your child.

I'm learning "Singing 4: Expert: stage, studio and teaching" on The Future Market. Lesson 1: "Choose and change your key".

What the lesson teaches:
- A semitone is the smallest step on a piano (Singing 2). Moving a whole song up or down by the same number of semitones is called transposing.
- A major scale follows the step pattern whole, whole, half, whole, whole, whole, half (Singing 2). Starting on a different note gives a different key:
- Scale - Notes - Sharps or flats
- C major - C D E F G A B - none
- G major - G A B C D E F# - 1 sharp (F#)
- D major - D E F# G A B C# - 2 sharps (F#, C#)
- A major - A B C# D E F# G# - 3 sharps (F#, C#, G#)

The exercise I'm working on:
- 5 minutes: sing the C major scale up and down, then the G major and F major scales, on "ah". - 10 minutes: find your lowest and highest comfortable notes with a tuner app. - 10 minutes: sing "Twinkle, Twinkle" in C, G and F, and choose your key. - 5 minutes: write the chords C, F and G (and their notes) for your key. ---

I'm stuck. Please:
1. Explain the main idea in plain, simple words with one everyday example.
2. Walk me through the exercise one small step at a time. Ask me what I've done so far before giving the next step.
3. Don't just give me the final answer. Help me do it myself, and check my work when I share it.

I'm a parent helping my child (about 8 years old) with a lesson called "Choose and change your key" from the course "Singing 4: Expert: stage, studio and teaching".

Here's what the lesson says:
A song is like a ladder. If the ladder is too tall, you stretch and strain. If it is too short, it feels boring. Changing the key moves the whole ladder up or down, so the song fits your voice. The tune stays the same; only the starting note changes.

The activity:
- 5 minutes: sing the C major scale up and down, then the G major and F major scales, on "ah". - 10 minutes: find your lowest and highest comfortable notes with a tuner app. - 10 minutes: sing "Twinkle, Twinkle" in C, G and F, and choose your key. - 5 minutes: write the chords C, F and G (and their notes) for your key. ---

Please explain this so an 8-year-old understands: short sentences, a fun everyday example, and no hard words.
Then give me 3 simple questions I can ask my child to check they understood, and a way to do the activity together, one tiny step at a time.

Open Claude

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