These are known as chords and it is due to them that one is able to obtain the harmonious effect in a song. While the complicated chords are made out of a combination of 3 different notes, the basic chords are a combination of just two notes which are known as the dyads or intervals. These basic chords are not real chords in the technical sense, but are the simplest way for the player to get introduced to the world of chords. If you are interested in playing harmonious music, you need to have an idea of chords which are the foundation stones of harmonic music.

It is at this stage, when you are learning to play the basic chords that you should also learn about intervals since they form an integral and important part of music. There are different types of intervals in the Western music scale and the smallest of such intervals is known as the minor second. This is constituted by playing two notes that are half a step apart, simultaneously. There are many types of intervals and some of them are minor second, major second, minor and major third etc. There are many sites on the net from where you can purchase notation books for beginners that will help you to learn more about the basic piano chords. As you use them along with the normal music, you will observe the difference they make to the overall harmony of the music you are playing.