#14 LEARN FREE MUSIC THEORY

Andrew Furmanczyk
10 Feb 201016:39
EducationalLearning
32 Likes 10 Comments

TLDRIn Piano Lesson #14, the focus is on demystifying the process of identifying the key of a musical piece. The instructor emphasizes the necessity of reading notes and understanding basic music theory, particularly highlighting the importance of the circle of fifths. Through a simplified example, viewers are taught to narrow down potential keys by examining the key signature and the piece's final note. The lesson covers both major and minor keys, touching on the role of the bass note in determining the harmonic foundation, and introduces the concept of tonic as the 'note of rest.' The video concludes with practical homework to reinforce the learning, encouraging students to apply these techniques to identify the keys of ten different pieces, enhancing their musical interpretation skills.

Takeaways
  • πŸ˜€ To find the key of a piece, look at the key signature and the last note. The last note will usually match the key.
  • πŸ‘πŸΌ Use the circle of fifths to narrow down the possible keys based on the key signature.
  • 🎹 The bass note provides harmonic support and structure, so pay special attention to the last bass note.
  • 🎼 Accidentals like sharps and flats can indicate a minor key, especially on the 7th scale degree.
  • πŸ€” If a piece doesn't end on the tonic, further analysis is needed to determine the key.
  • 😊 Finding the key helps interpret the piece by emphasizing the tonic notes.
  • πŸ” Determining the key is like an investigation - look for clues in accidentals and final notes.
  • πŸ“ For homework: Memorize the steps to find the key and analyze 10 pieces to practice.
  • 🎡 Knowing the key provides insight into playing and understanding the music.
  • ✏️ Write down the key signature, final note, and any accidentals when analyzing a new piece.
Q & A
  • What are the two basic rules for figuring out the key signature of a piece of music?

    -The two basic rules are: 1) Look at the key signature, and 2) Look at the last note of the piece. The key signature narrows it down to two possible keys, and the last note confirms which one it is.

  • Why is it important to understand the circle of fifths when figuring out a key signature?

    -The circle of fifths shows the relationship between major and minor keys. So if you know where a key signature lies on the circle of fifths, you can easily deduce its relative major/minor key which are the two possibilities.

  • What does it mean when a piece ends on an unresolved or unexpected chord?

    -When a piece ends on a chord other than the tonic/home chord, it sounds unfinished. This means further analysis is required to determine the true key, as ending on the tonic is a strong indicator of the overall key.

  • How can you identify if a piece is in a minor key?

    -If accidentals are used to raise the 7th note of what would be the minor scale, it points to a harmonic minor key. Also if the last note matches the tonic of the relative minor key signature, it confirms a minor key.

  • What is the tonic or tonic chord?

    -The tonic is the home note and chord that the piece resolves to, where there is a sense of rest or conclusion. Most pieces will end on the tonic chord.

  • If a piece has no key signature, how can you determine the key?

    -Look at the last chord/note played. Then examine the accidentals throughout the piece to see if they match up with any key signature. The presence and pattern of accidentals will suggest the key.

  • Why is knowing the key of a piece useful for musicians?

    -Knowing the key helps musicians with interpretation, as they can emphasize moments that resolve to the tonic chord. It also aids understanding of the musical structure and harmony.

  • What should you do if the bass note suggests one key but the melody note suggests another key?

    -Trust the bass note, as the bass line determines the harmonic structure. The melody can harmonize with non-chord tones, so focus on the bass resolution.

  • If a chord progression ends on an E major chord, what can you conclude about the key?

    -If the final chord is E major, the key is almost certainly E major, as pieces tend to end on the tonic chord.

  • How does finding the key of a piece relate to harmonic analysis?

    -Determining the key is often the first step in analyzing the harmony. Once you know the key, you can identify chord functions and non-chord tones to map the harmonic progression.

Outlines
00:00
πŸ˜€ Introducing how to find the key of a piece of music

The paragraph introduces that in this piano lesson, the focus will be on learning how to analyze a piece of music to determine its key. It explains that this will involve using music theory knowledge like being able to read notes and understanding the circle of fifths. The process involves looking at the key signature to narrow it down to two possible keys, and then looking at the last note to confirm which key it is in.

05:02
🎹 Understanding the importance of the bass note

This paragraph explains that the bass note provides the harmonic structure and support for a piece of music, like the foundation of a building. So the bass line will clearly show what key the piece is in, even if the treble melody ends on a non-chord tone that is still part of that key's scale. Some exceptions are discussed, like if the bass ended on an unexpected note, further analysis would be needed.

10:03
β™― Recognizing clues that indicate minor keys

This paragraph explains how to identify minor keys by looking for raised 7th scale degrees, which create a leading tone in minor scales. Any accidental sharps or naturals on what would normally be the 7th note of the scale is a clue that harmonic or melodic minor is being used. Examples show a sharp on an F indicating G minor, along with the bass ending on a G minor chord tone.

15:03
πŸ“ Steps to practice finding keys

To conclude, the paragraph summarizes the steps to find the key of a piece - look at last note and key signature, watch for accidentals, and do practice analyses on 10 pieces. Knowing the key provides insight into interpreting and emphasizing the music. The homework is to memorize the steps and find the keys of 10 sample pieces.

Mindmap
Keywords
πŸ’‘Key signature
The key signature indicates the key or tonal center of a musical composition. It shows which notes are sharpened or flattened throughout the piece. The instructor says to look at the key signature first to narrow down which two keys the music could be in. For example, two flats in the key signature means the key is likely Bb major or G minor. The key signature provides crucial clues about interpreting the overall tonality.
πŸ’‘Circle of fifths
The circle of fifths shows the relationships between major and minor keys in Western music theory. The instructor recommends using the circle of fifths to deduce which two keys match a given key signature. For instance, seeing two flats would point to Bb major and G minor on the circle of fifths. Mastering the circle of fifths allows quicker analysis of a piece's key.
πŸ’‘Tonic
The tonic is the first note of a scale and key - it is the tonal center that resolves musical tension. The instructor compares it to a comfortable home that you want to return to and rest upon. Most pieces end on the tonic chord to create a sense of resolution. Identifying the last chord helps determine if it is the tonic major or minor key.
πŸ’‘Leading tone
The leading tone is the 7th scale degree, which has a strong tendency to resolve up to the tonic in Western harmony. To create a proper leading tone in minor keys, the 7th is sharped. The instructor says if you see a random sharp on the 7th note, it signals a harmonic minor key.
πŸ’‘Harmonic analysis
Harmonic analysis involves studying the chords, intervals, and progressions in a piece of music. It reveals how the composer structurally reinforces the tonal center and creates tension/release. The instructor compares it to solving a mystery, since analyzing the harmonies provides clues about the overall key.
πŸ’‘Relative major/minor
Major and minor keys that share the same key signature are called relative major and relative minor. Like C major and A minor both have no sharps or flats. The instructor uses this principle to determine possible minor keys based on the detected major key signature.
πŸ’‘Accidentals
Accidentals are notes that are not part of the key signature - they are marked with extra sharps, flats or naturals. Accidentals are often used in minor keys to raise the 7th scale degree and create a leading tone. The instructor says to look out for these as clues that a piece is in a minor key.
πŸ’‘Modulation
Modulation refers to changing keys within a piece of music. The instructor notes that more advanced pieces may modulate and have sections in different keys, before returning to the main key. This makes analyzing the key more complex.
πŸ’‘Interpretation
Knowing the key signature and harmonies provides insight into interpreting the feel and emotion of a piece. The instructor gives the example of emphasizing the tonic chord when it appears, since it resolves tension.
πŸ’‘Chord progressions
Chord progressions are sequences of chords in a piece of music. The instructor explains ending on the tonic chord provides a sense of finality. Unexpected chord changes at the end can create an unresolved feeling.
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Transcripts
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