What determines the height of a tree is the root. Its quite funny how so many Pianist want to advanced to the next level yet they lack the basic foundational principles. Without these principles you cannot go beyond your normal level of playing. Find out what Intervals really are and how they are formed.
An “interval” in music is simply distance between two tones. Just like inches, feet, yards, and meters describe distance in physical spaces, intervals like “half steps” and “whole steps” describe distance in music.
“Half steps” are from key to key with no keys in between,
“Whole steps” always skip a key with ONE key( regardless if its a black key or a white note in between.
Examples of an Half Step is thee movement form B to C, F to F#, E to F, C to Db READ MORE @ http://musicalcrib.com/understanding-intervals/