The major scale, also known as the Ionian mode, is a fundamental building block of music. It is made up of seven notes and is the foundation for many popular songs. Learning the major scale on guitar is an essential step for any musician looking to improve their playing skills.

To understand the major scale, it is important to first learn about the intervals between each note on the scale. A major scale is built using the formula: whole step, whole step, half step, whole step, whole step, whole step, half step. Using the C major scale as an example, this means that there is a half-step between the notes E and F, as well as between B and C. Once you understand this formula, you can apply it to any major scale, regardless of its root note.

In addition to understanding the intervals, it is also important to learn the notes of the major scale. The notes of the C major scale, for example, are C, D, E, F, G, A, B. By memorizing these notes and their relationship to the intervals, you can easily play the major scale in any key.