This is one I’m sure you’re familiar with, even if you might not have known its fancy name. It’s also sometimes called Verse-Repeating or Chorus form, because it essentially repeats the same section, but with new lyrics each time. If we’re thinking of things in terms of “A” sections and “B” sections and so forth, this would just be multiple As, one after the other.
Ethan Hein is a Doctoral Fellow in Music Education at New York University. He teaches music technology, production and education at NYU and Montclair State University. With the NYU Music Experience Design Lab, Ethan has taken a leadership role in the creation of new technologies for learning and expression, most notably the Groove Pizza. He is the instructor of the free Soundfly course series called Theory for Producers. He maintains a widely-followed and influential blog, and has written for various publications, including Slate, Quartz, and NewMusicBox.
Okay, to really get your head around phase, we need to move beyond the on/off perspective we just outlined. Phase is quite literally a relationship of degrees. In other words, our “out of phase” sine wave has a 180° phase relationship to its mirrored counterpart. Were we to gently move our duplicate sine wave through all degree positions in the phase relationship, we’d encounter different degrees of cancellation, and therefore different degrees of amplification and attenuation — from silence to peak volume and everything in between.
If you sample someone else’s music, make sure you’ve covered all your bases too. Reach out to the original songwriter to discuss splits and obtain a mechanical license to use their sample in your music, and then register and administer the percentage that you both agree upon. Don’t find yourself in a sticky situation — do your homework and know how to properly go about using samples.