If the i (“One”) chord is lower case, that means your progression is mostly the Minor scale, and you’re likely to have a more nostalgic/dark feeling, which is super common in EDM music. In our analysis, 90% of EDM tracks use the minor “i” chord. You can start your progression using the i chord. The most basic EDM progression is One word about minor diatonic harmony. Composers use three different types of minor scales in tonal music – harmonic minor, melodic minor and natural minor (relative minor). The one we are really concerned with right now is the harmonic minor scale, which has a minor 3rd scale degree, a minor 6th scale degree and a raised 7th scale degree. Figure 5.43. Chords in the keys of C major and D major. To find all the basic chords in a key, build a simple triad (in the key) on each note of the scale. You'll find that although the chords change from one key to the next, the pattern of major and minor chords is always the same. Exercise 5.5.1. Ex. In F major the diatonic chord of the sixth scale degree is vi (D minor) the chord borrowed from the parallel minor is bVI (D flat major) - note that the root is lowered a half step in minor. But that is just a quick example of how to use the terminology. I think the real question of the OP is why it sounds "good", why is it "effective." I My pro theory + songwriting course https://bit.ly/2J2NctnEnroll in my Rhythm Training Course at ANY price! https://bit.ly/3wDacU4Get the PDF Here: https://bi Minor keys, along with major keys, are a common choice for popular music. The three most important chords, built off the 1st, 4th and 5th scale degrees are all minor chords (B minor, E minor, and F♯ minor). For chord progressions, statistics, and tendencies, view this key in Hooktheory Trends Best Hip Hop/Rap Chord Progressions i/v- 2 Chords (a minor to E Major) While this is only 2 chords, millions of beats have been made with this simple chord progression. To create this, you simply take the minor i of a progression and then play the major V. For example, if we are in a minor, we play a minor(A,C,E) followed by E Major (E,G#,B This makes phrygian dominant a bit of an odd bird. It sounds minor-ish, because it's a mode of the harmonic minor scale, but it's tonic chord is major. The chord progression uses Bm. Phrygian dominant's tonic B major chord contradicts the tonic of the chord progression. Specifically there are two points of clashing: the C of the scale and C# of b7H3.