but probably the broadest are mainstream pop and R&B. This is the kind of thing you hear on the radio every day, and possibly the genres that rely the most on regular major and minor diatonic triads.

These notes are referred to by their interval number in music theory, which is 1 3 5 for the major chord and 1 b3 5 for the minor chord ... There are also triads in this lesson that sit on the G, B ...