By Asaf Peres
Here's a map of (almost) all of the changes in Charlie Puth's vocal technique and vocal arrangement throughout his song, "How Long" (2017). There were even some nuances I had to leave out because there was simply no room to fit any more detail in this graph.
Top40 Theory provides advanced music theory and composition knowledge, as well as consulting/coaching services, to pop songwriters and producers. You can follow Top40 Theory’s Twitter, Instagram, and Facebook page, as well as join the mailing list via the form located in the sidebar, to receive updates about new posts and other pop music theory related musings. You can also join the growing community of highly accomplished songwriters, producers, theorists, and composers at the Top40 Theory Facebook group.