[0:00] Introduction
Overview of key signatures and purpose of the video.

[0:20] What Are Key Signatures?
Explanation of key signatures and their role in grouping notes.

[1:00] Basics of Music Theory
Introduction to the chromatic scale, octaves, and note relationships.

[2:30] Steps in the Chromatic Scale
Half steps and whole steps explained with examples.

[3:45] The Major Scale Pattern
Step-by-step demonstration of the major scale pattern.

[5:00] The Key of C Major
Why it has no sharps or flats and how to build chords visually.

[6:30] Applying Knowledge to Other Keys
Transitioning to other keys using the circle of fifths.

[7:45] Circle of Fifths: Clockwise Direction
Adding sharps by moving a fifth and building the G major scale.

[9:20] Circle of Fifths: Counterclockwise Direction
Moving a fourth to explore flat keys and their relationships.

[11:00] Translating Theory to Guitar
Demonstration of chords in the key of C on the guitar.

[12:15] Key of C: Guitar Chord Walkthrough
Playing through C major scale chords in ascending and descending order.

[14:00] Summary and Next Steps
Recap of lessons and application suggestions.