The distance between any two notes is called a musical interval, so we have intervals of 2nds, 3rds, 4ths, 5ths, etc. But intervals also have qualities such as major, minor, perfect, diminished. In this video we take a look at how to use major and minor 3rds to create chords of various sorts by stacking them on top of each other. All musicians need to know this, but piano players particularly, since we deal in chords all the time (singers, sax players, trombone players, etc. don’t normally play chords as such, since they are usually only playing one note at a time).

Watch this short video and you will quickly understand: