What Key Signature is and How to Use it | Demonstration of 12 Major & minor scales (Lesson 15)

What are those sharps and flats at the beginning of the song? That is the Key Signature! In this lesson, we will learn how to quickly determine which key signature the song is in as well as what to do with that information once you have it. Please ask any questions in the comments below. 00:00 Intro 01:12 Key Signature Basics 03:44 How Scales relate to Key 08:02 Quickly determine Key Signature 09:38 How to Use the Key 12:54 Real Music Examples 16:28 Tetrachord scale technique 18:20 Scale Demonstration Tips 19:23 C Major (no ♯ or ♭) 19:58 a minor (no ♯ or ♭) 20:32 G Major (1 ♯) 21:00 e minor (1 ♯) 21:32 D Major (2 ♯) 22:02 b minor (2 ♯) 22:39 A Major (3 ♯) 23:08 f minor (3 ♯) 23:52 E Major (4 ♯) 24:19 c♯ minor (4 ♯) 24:53 B/C♭ Major (5 ♯ / 7 ♭) 25:30 g♯/a♭ minor (5 ♯ / 7 ♭) 26:11 F♯/G♭ Major (6 ♯ / 6 ♭) 26:47 d♯/e♭ minor (6 ♯ / 6 ♭) 27:21 C♯/D♭ Major (7 ♯ / 5 ♭) 27:53 a♯/b♭ minor (7 ♯ / 5 ♭) 28:27 A♭ Major (4 ♭) 28:57 f minor (4 ♭) 29:27 E♭ Major (3 ♭) 29:58 c minor (3 ♭) 30:29 B♭ Major (2 ♭) 31:08 g minor (2 ♭) 31:37 F Major (1 ♭) 32:06 d minor (1 ♭) 32:35 Conclusion