Test Your Knowledge of The Circle of Fifths - Music Theory

Music Matters
28 Mar 201905:34
EducationalLearning
32 Likes 10 Comments

TLDRThis video quiz challenges viewers to spot missing information on an incomplete circle of fifths diagram. After giving viewers a chance to examine the diagram, the narrator inserts the missing major and minor keys based on the circle's pattern of progressing in perfect fifths. The narrator also fixes incorrect key signatures, reinforcing the rules that adds sharps as the 7th degree and flats as the 4th degree in the scale. This quiz aims to test and strengthen viewers' understanding of the circle of fifths and key signatures.

Takeaways
  • πŸ˜ƒ The circle of fifths shows the relationships between major and minor keys
  • πŸ‘ Knowing the circle of fifths helps musicians understand keys and key signatures
  • πŸ”‘ Going clockwise shows sharps, counterclockwise shows flats
  • 🎡 Major keys go up in fifths, minor keys go down in thirds
  • ❗ It's important to track where sharps and flats are introduced
  • πŸ”€ Once a sharp/flat is introduced, it applies going forward
  • πŸ˜• Missing or incorrect sharps/flats changes the key
  • 🧐 Relative minor keys can be tricky with sharps vs flats
  • πŸ€” Finding missing keys on the circle takes careful analysis
  • πŸŽ“ The circle is a useful music theory teaching tool
Q & A
  • What is the circle of fifths and what does it tell us?

    -The circle of fifths shows the relationships between the 12 major and minor keys, with the keys arranged in fifths going clockwise and counterclockwise. It shows the key signatures of the different keys and helps understand the structure and patterns between them.

  • Why is the key after E-flat called E-flat major instead of E major?

    -Once a flat is introduced in the key signature while going counterclockwise on the circle of fifths, all following keys must contain that flat, even if the letter name is the same. Since E-flat was already introduced, the next E key is E-flat major, not E major.

  • How can you find the relative minor of a major key on the circle of fifths?

    -To find the relative minor of any major key, go down a minor third from that key. For example, the relative minor of G major is E minor.

  • Why is the key shown as F-sharp major instead of F major?

    -Because the key of B major had already introduced an F-sharp earlier on the circle of fifths going clockwise, all following F notes must be F-sharp, whether major or minor keys.

  • What determines whether a new sharp or a new flat is added in the key signature on the outer circle of fifths?

    -A new sharp indicated on the outer circle is the 7th degree of that major scale. A new flat indicated is the 4th degree of that major scale.

  • What was the missing flat key signature between G-flat and D-flat?

    -The missing key signature was C-flat. Flats are added in the order of fourths when going counterclockwise on the outer circle.

  • Why is the relative minor of G-flat shown as E-flat minor and not E minor?

    -Because the key signature of G-flat already introduced an E-flat earlier, all E notes after that point must be E-flat, whether major or minor keys.

  • What determines if an F note should be F or F-sharp?

    -Look at the key signatures - if there is no flat indicated next to the F, it is F natural. If there is a sharp indicated next to the F, it is F-sharp.

  • What was the missing major key between D major and A major going clockwise?

    -The missing major key was G major. Major keys go up in fifths clockwise on the inner circle.

  • How can the circle of fifths help in identifying keys and key signatures?

    -The circle shows the order of sharps and flats added in key signatures. It also shows relative major and minor keys and their key signatures. This helps in identifying tones and scales when reading music.

Outlines
00:00
πŸ˜€ Explaining the circle of fifths and missing information

The paragraph introduces the circle of fifths, mentions there are other videos explaining it more fully, and says this video will be a lighthearted quiz about identifying missing information in the circle of fifths diagram shown.

05:01
😊 Hoping the circle of fifths knowledge check went well

The paragraph closes by saying I hope you did well on this circle of fifths knowledge check to make sure your understanding is sound.

Mindmap
Keywords
πŸ’‘circle of fifths
The circle of fifths is a diagram showing the relationships between major and minor keys in music. It shows the order of sharps and flats in key signatures. In this video, it is used to demonstrate concepts of musical keys and to test the viewer's understanding of the circle of fifths by having them identify missing information.
πŸ’‘musical keys
A musical key refers to the scale, or notes, that a piece of music is built upon. Keys are fundamental for musicians in composing, understanding harmony, transposing music and more. The video focuses on major and minor keys and their relationships in the circle of fifths.
πŸ’‘sharps / flats
Sharps and flats are symbols used in musical notation to indicate that a note should be raised or lowered by a semitone. They are shown in the key signature at the beginning of a piece of music. The circle of fifths indicates the order that sharps and flats appear as more accidentals are added in different key signatures.
πŸ’‘relative minor
The relative minor key of a major key shares the same key signature and features the 6th note of the major scale as its tonic. So they are closely related. In the video, the viewer has to identify the missing relative minor keys on the inner circle of fifths diagram.
πŸ’‘intervals
An interval in music refers to the difference in pitch between two notes. Intervals underpin harmony and melody. Identifying intervals is useful when analyzing the relationship between notes and keys. In the video, interval knowledge helps determine missing minor keys.
πŸ’‘perfect fifth
A perfect fifth is an interval spanning seven semitones. On the circle of fifths, each key proceeds to the next by ascending or descending by a perfect fifth interval. This creates the interlocking pattern of fifths the diagram demonstrates.
πŸ’‘scale degrees
Notes in a key can be referred to by their scale degree - 1st, 2nd, 3rd etc. rather than letter names. So the 7th degree of a major scale determines the new sharp in key signatures. This principle is used to identify missing info on the outer ring of fifths.
πŸ’‘accidentals
Accidentals refer to sharps, flats and naturals that alter a note outside of the key signature. The video explains that once an accidental is introduced, like an F-sharp, then all following F notes must be sharped, even in different octaves.
πŸ’‘tone / semitone
A tone is the interval between two adjacent notes on the piano keyboard. It includes two semitones. The video relies on an understanding tones and semitones to grasp concepts like intervals and minor third relationships.
πŸ’‘harmonic relationships
Notes, chords and keys have harmonic relationships which determine consonance, dissonance and movement in music. The circle demonstrates these relationships and patterns, allowing musicians to understand and exploit harmony.
Highlights

The circle of fifths shows the relationships between major and minor keys

The circle goes up in fifths on the sharp side and down in fifths on the flat side

Once a sharp or flat is introduced, it applies to all following keys

Getting the flats and sharps right is important to identify the correct key

A new sharp indicates the seventh degree of the major scale

A new flat indicates the fourth degree of the major scale

Minor keys are found by going down a minor third from the major key

Accidentals carry through the entire circle once introduced

Relative minor keys only use the accidentals already introduced

Intervals help identify relative minors

The circle shows how keys relate through fifth and third intervals

Flats and sharps differentiate keys with the same letter name

The outer ring shows key signatures

The middle ring shows major keys

The inner ring shows relative minor keys

Transcripts
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