Try out these music theory tricks
Songwriting is often simultaneously one of the most magical and frustrating parts of being a musician. Sometimes, the best songs seem to appear in our heads without prompting and demand to be written down before they disappear, while other times great songs take forever to finish and are nothing but hard work.
Musically speaking, there is another way to write great songs: You can learn the theory behind them that helps make them work. Here are a few common music theory tricks that are frequently used in hit songs.
Magical Chord Combinations
One of the most frustrating challenges when writing songs can be finding the right chords to play. So here’s music theory trick number one: Understanding harmonic function. This is extremely helpful to know because it tells you how chords are related and which chords sound “best” together.
For instance, if you are building a chord progression in C major, knowing chord function tells you that the following chords can be mixed and matched together in whatever order: C, D-, E-, F, G, A- and (sometimes) B diminished. You can know this because the key of C major provides seven notes to build chords on. If you know how to build chords, you can then combine the seven chords in C major however you like.
I can go further and categorize these chords into three basic groups based on how they function in my ear: tonic, dominant and predominant. Tonic is typically the most relaxed, dominant is usually tense, and predominant chords are somewhere in between. This helps me choose chords for my song based on how much tension I want to hear.
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One of the most effective music theory tricks you can use to develop strong chord progressions is to create a harmonic sequence. All that means is that you play a set of chords (usually inside a particular key) whose root notes (the notes the chords are built on) follow a particular interval pattern.
For instance, a common harmonic sequence uses the interval of a fourth. if I wanted to create this chord sequence in C major, I might start with a C major chord and follow it with chords that are each a fourth above C (F, B diminished, E-, A-, D-, G, C). Doing this creates a strong expectation in the listener’s ear that can make your chord progressions feel exceptionally strong. Pachelbel’s Canon is a well-known example of this.