The smallest interval in western music is a half step. There are several types of intervals, like perfect and nonperfect. Basic music theory for adult beginner level piano players. H h h w the distance from any key to t he next on the. Alfreds essentials of music theory is designed for students of any age, whether listener or performer, who want to have a better understanding of the language of music. In music theory, an interval is the measure of the distance between two pitches. The definitive handbook for the effective use of theory worksheets with engaging companion activities and over 50 free printables that make learning theory fun. With this piano course online, one of the very best music theory lessons. Basic music theory by jonathan harnum is an excellent book for people of all levels. I have played various instruments over 24 years and because of harnums matter of fact, conversational tone, this book has lent more to my understanding of basic music theory than all my private instructors combined. Music intervals identify each interval by size and type. This theory course is made up of three books of 40 pages each, with each book containing six units. On the keyboard, it is the distance between two keys. Basic music theory for adult beginnerlevel piano players with emphasis on half steps and whole steps introduction music theory is a huge subject, one whose study can become quite complex.