Learn about the major diatonic drop, and how you can use it to great effect in your own songwriting.
A few examples from the rock and pop catalog of how famous composers have successfully harnessed this enigmatic chord to great effect.
Look at a few examples of fairly well-known songs from the modern era that utilize the dim7 chord in interesting, effective ways.
Look at a few examples of ways in which world-renowned songwriters have harnessed this harmonic beast and put it to good use.
Learn some compositionally effective ways in which first-inversion chords have been used in popular music.
Some musically appealing ways that great songwriters have used first-inversion chords to craft progressions behind their melodies.
Learn a compositional trick that's been used to great effect by Nirvana, Stone Temple Pilots, The Eagles, Queen and many more.