On page 252 of Jermaine Grigg's, The secrets To Playing Piano By Ear , he explains Passing Tones and Neighboring Tones. As a piano teac...

 A neighbor tone (NT) or auxiliary note (AUX) is a nonchord tone that passes stepwise from a chord tone directly above or below it (which ...

  I received so many wonderful letters from beautiful musicians requesting more information on jazz chords , passing tones and inversions. I...