How To Develop A Melody

Some Strategies To Expand A Melody To A Whole Tune

In this lesson, I want to give you some ideas useful to elaborate a melody. Suppose you've just invented a cool melodic line, now, in order to turn it into a full-length song, you need to expand your ideas!

In the following, we will delve into techniques used by renowned composers like Bach, Beethoven, Mozart, and even popular songwriters like The Beatles.

We will focus on techniques like:

  • Transposition
  • Inversion
  • Retrograde
  • Rhythmic variation
  • Melodic interval variation

These techniques will enable you to create interesting and captivating melodies starting from a simple idea.

Transposition:

Transposition involves taking a short melodic motif and moving it to a different pitch.

This can be done by shifting the motif up or down the scale by a certain interval. For example, you can transpose a two-measure motif a whole step higher, two whole steps higher, a perfect fifth higher, and so on.

Transposition can be:

  • Diatonic: using only notes from a specific key
  • Chromatic: transposing all the notes without considering alterations, resulting in a more sophisticated sound, often found in classical or jazz music)

Note: when you move a bar chord shape up or down the neck, you are performing a chromatic transposition!

Inversion:

Inversion involves flipping the original motif, maintaining the same intervals but changing the direction.

For instance, if your melody ascends a major third, descends a minor second, and ascends a major third followed by a minor second, the inversion would involve descending a major third, ascending a minor second, and descending a major third.

Similarly with transposition, with this technique, you can use intervals that belong to the key, or you can introduce not diatonic notes for a more creative effect.

Classical musician J.S. Bach did a great job with the so-called mirror canon (alternatively known as a canon by contrary motion), which is a style that entails the primary voice being performed alongside its inverted counterpart, essentially flipped upside-down.

Retrograde:

Retrograde, also known as "walking backward" or cancrizans (from "cancer", latin word for crab) is a simple technique where you play the chosen motif in reverse.

Take the original motif you have composed and write it from right to left, reversing the order of the notes. This can create interesting variations and unique melodic lines.

Rhythmic Variation:

Rhythmic variation involves keeping the original notes of the motif but altering the rhythm in which they are played.

Experiment with changing the note durations, introducing syncopation, or subdividing the rhythm differently. This technique adds excitement and diversity to your melodies while maintaining the core melodic material.

Melodic Interval Variation

In contrast to rhythmic variation, melodic interval variation focuses on maintaining the same rhythm while altering the notes.

You can replace the original notes of the sequence with different notes that maintain the same rhythmic structure.

This technique allows you to explore different harmonies and tonalities while preserving the rhythmic identity of the melody.

Conclusion:

Developing melody techniques is an essential aspect of guitar playing.

By incorporating transposition, inversion, retrograde, rhythmic variation, and melodic interval variation, you can breathe new life into your melodic ideas.

Experiment with these techniques, combine them and apply them to your compositions and improvisations.

At the end of the day, it's important to be creative and keep exploring the endless possibilities of a beautiful melody.

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FAQ

What is the key difference between diatonic and chromatic transposition for guitar melodies?

Diatonic transposition involves moving a melodic motif up or down while keeping all notes strictly within the original key's scale. Chromatic transposition, conversely, shifts every note by the exact same interval (e.g., every note moves up a whole step), which often introduces notes outside the original key. On guitar, moving a bar chord shape to a new fret is a perfect example of chromatic transposition, as the interval relationships between the notes remain identical, just at a different pitch.

How do melodic inversion and retrograde differ, and how can I use them on the guitar?

Melodic inversion 'flips' your melody upside down: if your original melody ascends a major third, the inversion will descend a major third from that point, maintaining the same intervals but changing their direction. Retrograde, on the other hand, means playing your melody completely backward, from the last note to the first. On guitar, inversion requires understanding interval relationships and playing their opposites, while retrograde is a literal reversal of the note order.

When should I choose rhythmic variation versus melodic interval variation to develop a melody?

Use rhythmic variation when you want to keep the original sequence of notes largely intact, but alter their timing, duration, or introduce syncopation to change the melody's feel or energy. Choose melodic interval variation when you want to keep the rhythm of your melody but change the specific notes played, allowing you to explore different harmonic flavors or tonalities while preserving the melodic phrase's rhythmic identity.

How do these techniques help turn a short melodic idea into a full-length song?

These techniques provide structured methods to generate new, yet related, musical material from an initial melodic idea. By applying transposition, inversion, retrograde, or variations in rhythm and intervals, you can create distinct sections like verses, choruses, or bridges that still feel connected to your original melody. This allows you to expand a simple motif into a cohesive and developed song without having to invent completely new ideas from scratch.

Can I combine these melodic development techniques?

Absolutely! Combining these techniques is highly encouraged and often leads to the most creative and interesting melodic developments. For example, you could take an inverted version of your melody and then apply rhythmic variation to it, or transpose a retrograded phrase. Experimenting with different combinations allows you to explore endless possibilities and unique melodic lines for your compositions and improvisations.

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