I decided to produce this little addendum to my recent Circle of Fifths video after I got a great deal of comments about whether these chord changes are 4ths or 5ths. You can see the original video here: Additional info on the "Circle of Fifths chord development":. And, an additional special thanks goes to Douglas Lind, Vidad Flowers, Ivan Pang, Waylon Fairbanks, Jon Dye, Austin Russell, Christopher Ryan, Toot & Paul Peijzel, the channel's…